Dax if date is blankDAX - Cumulative Total and Blank Handling. When developing DAX measure, you should be aware that Blank value behavior might be similarly insidious as NULL value in DB. Sometimes it can surprise you as shown in the following example. You might have been asked to develop new DAX measure which would show a history of all transactions.To make this happen, add a simple measure: The way this works is that the COALESCE function will just return the first thing it finds reading from left to write in the parameter list that is not null/blank. That happens to be 0. If for whatever reason you wanted to show -1 when there are no sales, you can do that as well, just change the 0 to -1.Marco Russo joins Patrick to discuss how to hide future dates for calculations in DAX. Marco walks through Power BI Desktop with some examples that work and ...How to create a date table using DAX. This is not the preferred solution to creating a date table, however it is important as a DAX user you know what functions are available and how, when you have no other choice, you can use DAX to create a date table. If you are using Power BI we have a nice little function CALENDERAUTO.COUNTROWS ( FILTER ( ALLSELECTED ( Dates ), Dates[Date] LastNONBlankDate ) ) VAR CumulativeTotal = CALCULATE ( [Cumulative Sales], ALLSELECTED ( Dates ) ) RETURN DIVIDE ( CumulativeTotal, TotalDays, 0 ) Similarly it will change in your calculations also however it's not possible to provide exact calculations without Data Model and DAX measures.In 2016, Calendar has become a key word in the DAX language and early on I experienced some grief with models imported from Excel 2013 with date tables named Calendar. Although probably not the issue here, you should always mark your date table as a date table (see Design tab on ribbon and Mark as Date Table).The dates used as the start_date and end_date are inclusive: that is, if the sales occurred on September 1 and you use September 1 as the start date, sales on September 1 are counted. Example : The following sample DAX formula creates a measure that calculates the 'Q4FY16 Sales' from the FactSales table.DAX - Cumulative Total and Blank Handling. When developing DAX measure, you should be aware that Blank value behavior might be similarly insidious as NULL value in DB. Sometimes it can surprise you as shown in the following example. You might have been asked to develop new DAX measure which would show a history of all transactions.DAX Use an Inactive/Custom Relationships in a Calculation. ... This calculation will return the first non-blank value in a given date range. Ideally, this will be the product inventory on the first day of the month or year. Starting Inventory:=CALCULATE([Sum of Inventory], ...The result we get is 2 and DAX carried out the calculation only once on the table. You see COUNTX is an iterator. So DAX say to itself, lets filter the product name to shoes. Then, using the table returned by the filter, focus on the Cost price column. COUNTX irritates over each row of the table and counts the values in the cost price column..The DAX expression DATEDIFF can be used in this example. DATEDIFF will get the difference between 2 dates (assuming the data type DATE or DATE/TIME or TIME) expressed as the selected interval. The interval can be Day, Month, Quarter, Week, year, or it could be Hour, Minute or Second. The syntax for DATEDIFF is =DATEDIFF(Date 1, Date 2, Interval)YTD-MTD-CY = TOTALYTD([Sum of Sales],'Date'[Calendar Date],"06/30″) As you can see for Dec 2010-11 with the measure [YTD-MTD-CY] I have the Year to date value.; Now the requirement was if the user selected any Fiscal Month (EG: Feb) from the Slicer, they are looking for the Feb 2009-10 value for the Previous Year (Feb 2009-10).So once again if I show this in a picture this is the value ...The DATEDIF function computes the difference between two dates in a variety of different intervals, such as the number of years, months, or days between the dates. This function is available in all versions of Excel since at least version 5/95, but is documented in the help file only for Excel 2000. For some reason, Microsoft has decided not to ...Date. Date/time. Dates and times in an accepted date-time representation. Valid dates are all dates after January 1, 1900. Currency. Currency. Currency data type allows values between -922,337,203,685,477.5808 to 922,337,203,685,477.5807 with four decimal digits of fixed precision. N/A. Blank. A blank is a data type in DAX that represents and ...The above excel IF formula will check the date value in Cell B1 if it is less than another specified date(11/3/2018), if the test is TRUE, then return "good", otherwise return "bad" Excel IF function combining with DATE function. You can also use DATE function in an Excel IF statement to compare dates, like the below IF formula:DATESYTD: Returns all dates of the year, from the first day to the maximum value of the 'date' (day, month, year) of the context. After changing the measure format to Currency, editing the number of decimal places to 2, and adding it to our matrix, we will have the following result:The expression above might looks scary if it is the first time you are writing a DAX statement. However, when you look at it in detail, It is using a variable for the sum of the SalesAmount field, then checks to see if the result is blank or not, if blank, it returns zero, otherwise the sum of SalesAmount.Blank Cells. To evaluate the cells as Blank, you need to use either logical expression Equal to Blank (="") of ISBLANK function inthe logical_test argument of the IF formula. In both methods logical_test argument returns TRUE if a cell is Blank, otherwise, it returns FALSE if the cell is Not BlankDo you know the difference between zeros, nulls and empties?? Lets take a look at that so we can understand why we the power bi team introduced a new compari...The result we get is 2 and DAX carried out the calculation only once on the table. You see COUNTX is an iterator. So DAX say to itself, lets filter the product name to shoes. Then, using the table returned by the filter, focus on the Cost price column. COUNTX irritates over each row of the table and counts the values in the cost price column..DAX: LOOKUPVALUE with date comparison Vinay Hosamane Jan 16, 2020 11:35 AM I need help with calcuating MonthlyResouceCost keeping into account of the Start and End date.How to extract FIRST NON BLANK and LAST NON BLANK values from a Column in Power BI The FIRSTNONBLANK() Function returns the first value in the column, filtered by the current context, where the expression is not blank. ... Now we can calculate and extract the First Order Date and the First Order Value in Fiscal Year 2015, using the DAX Function ...Aug 25, 2021 · Because there's no value_if_false value, BLANK is returned. Examples in this article can be used with the Power BI Desktop sample model. To get the model, see DAX sample model. Price Group = IF( 'Product'[List Price] < 500, "Low" ) The second example uses the same test, but this time includes a value_if_false value. DAX: LOOKUPVALUE with date comparison Vinay Hosamane Jan 16, 2020 11:35 AM I need help with calcuating MonthlyResouceCost keeping into account of the Start and End date.Lines 2 & 3 - This is where I am creating a variable TodaysDate which today's date using the DAX function TODAY() With today's date being 02 July 2018; Lines 3 & 4 - This is where I am creating a variable called YesterdayDate getting yesterday's date, going back one day from today's date.COUNTIF using a Visual (Pivot Table) Consider this simple "Sales" data with 4 columns. Pretty self-explanatory! My Question: Count the number of transactions done in each channel. Possible Answer: This is easy to solve in a Pivot Table, so is it in Power BI. In Power BI,Here is your MSDN definition of LASTDATE: "returns the last date in the current context for the specified column of dates". This function is great because it works in the current context so it makes the measures you author in DAX very dynamic. For example: If the current context is month, LASTDATE returns the last day of the month.How do I show a blank if the date is a specified value? DAX. Question. I'm calculating stock returns and want to know how to show blanks instead of zeros on only the dates 12/31/2015. I feel like I've tried every which way and I can't get it to work, below is what my table structure/measure and the pivot table. 3 comments. share. save.The below DAX FIXED function rounds sales decimals to a single digit, and it won't allow comma. FIXED = FIXED(EmployeeSales[Sales], 1, 1) DAX BLANK Function. The Power BI DAX BLANK function is useful to return a blank. You can also use this to check whether the crows have any blanks or not. The syntax of this DAX BLANK Function is: BLANK()DAX Functions - Date and Time, DAX Date and Time functions are similar to the Excel date and time functions. However, DAX date and time functions are based on the DAX datetime data type.Sep 01, 2015 · Thankfully, this is very easy. Just select the table in your model that is the date table and click the Mark as Date Table button in the Design ribbon. Then specify the column in your date table that is both a unique identifier for the table and is a date data type. Then click OK. And you’re all set! Let’s begin. 10. DAX YTD, QTD and MTD ... As variant in DAX that could be as well =INT(Table1[End]-Table1[Start]) but why don't you do this transformation in Power Query since the table generated in it. That's like..., each Duration.Days(Duration.From([End]-[Start])) In general it's better to avoid calculated columns generated by DAX in data model if you can do them in Power Query.In Power BI, there is a DAX function called USERELATIONSHIP. This is particularly useful when you need multiple relationships between tables. Here we will go through an example of how this works. Consider a typical example, where you have an Orders table with different dates such as the Order Date (i.e. the date the order was created) and the Ship Date (i.e. the date the order was shipped).Mar 02, 2020 · We want the BLANK() values to be after the negative values and this is achieved by creating __minNegativeValue VAR in DAX. In our example dataset, the minimum negative value is -62 and __minNegativeValue VAR in our DAX will return -63 and by sorting Sum Sales values by Sum Sort Column , BLANK() values will show at the bottom of the table. Power BI DAX Method. We have the same data loaded to the data model. In this example, we want to give 13% Bonus to Customers who either have Total Purchase that is greater than or equal to 20,000 or has 3 or more stores (same question with Power Query)How to extract FIRST NON BLANK and LAST NON BLANK values from a Column in Power BI The FIRSTNONBLANK() Function returns the first value in the column, filtered by the current context, where the expression is not blank. ... Now we can calculate and extract the First Order Date and the First Order Value in Fiscal Year 2015, using the DAX Function ...Value as Blank. But sometimes we try to push a blank value in the date column, which results in translating and inserting a 1900-01-01 00:00:00. The value 'Blank' (Single Quote with no value) is meant for data types which accept character data, but it is not recognized by the date or datetime data types. PREVIOUSMONTH (<dates>) Description: Dates - A column with dates. Note: This function returns all dates from the previous month, using the first date in the column used as input. For example, if the first date in the dates argument refers to Sept 13, 2020, this function returns all dates for the month of Aug, 2020.Power BI provides great time intelligence features to calculate Year-to-date (YTD), Month-to-date (MTD) and Quarter-to-date (QTD) totals. There is no such thing as Week-to-date (WTD) or Period-to-date (PTD) where period could be any arbitrary period definition (I used two-month periods in my example below). If you want those, you will have to create the calculations yourself. I was inspired by ...If the above formula is placed in a checkbox column, the box will be checked ONLY if Cells 1, 2, and 3 of a column named "Date" are all blank. The AND function indicates that all conditions must be met in the IF statement, whereas the OR function indicates that at least one condition must be met.To demonstrate these Power BI DAX Date functions, we use the below-shown data. As you can see, there are 15 records in this table. Power BI DAX Date Functions. The following series of examples shows the list of DAX Date Functions. DAX NOW Function. The DAX Now is one of the date function, used to return the current date and time.This function returns all dates from the previous year given the latest date in the input parameter. For example, if the latest date in the dates argument refers to the year 2009, then this function returns all dates for the year of 2008, up to the specified year_end_date. The dates argument can be any of the following: A reference to a date ...PreviousDay gives last row as blank: Power BI DAX. Close. 6. Posted by 3 years ago. PreviousDay gives last row as blank: Power BI DAX. I have a column of 10 rows as type date. I would like to create a custom column of the previous date using DAX. Column = PREVIOUSDAY('Date'[Date]) This outputs a column of previous dates except the last two rows ...ARGUMENTS date: A date that you want to test against another date to identify if it's greater than this date. greater_date: A date that another date is tested against. value_if_true: Value to be returned if the date is greater than the greater_date. value_if_false: Value to be returned if the date is not greater than the greater_date.The above excel IF formula will check the date value in Cell B1 if it is less than another specified date(11/3/2018), if the test is TRUE, then return "good", otherwise return "bad" Excel IF function combining with DATE function. You can also use DATE function in an Excel IF statement to compare dates, like the below IF formula:PowerBI DAX - ISBLANK Posted on June 16, 2020 March 20, 2021 by jayanth.kurup A common issue with database sources is the presence of NULL values in column.Let me do the math for you: 2.517 * 1.826 = 4.596.042…So, here we had a full cross-join between Product and Dates tables, forcing every single tuple (combination of date-product) to be checked! That happened because we forced the engine to return 0 for every single tuple that would otherwise return blank (and consequentially being excluded ...Hi everyone' I am trying to calculate the number of days between two dates (a start and an end date) and also where if the end date is left blank it calculates today as the end date. This is to calculate the number of days on market for a product. Eg. Cell A5 is the start date, cell B5 is the end date of the event I.e sold.This would calculate the total quantity sold for all of the dates (that is, every date in our calendar), because it removes the filter context with the ALL function.However, it then adds an alternative constraint: that the date for each purchase must be less than or equal to 31st March 2017.Click on the Modellin g tab -> New column from the ribbon. Then write the Dax Expression: Today = IF (Sheet1 [Order Date]=TODAY (),1,0) Power bi date filter today. In the filter pane, under filter on this v isual, add today measure. Under Filter type is Advanced filtering. Under Show item when the value is 1.Conditional expressions are one of the most commonly used expressions in any language as well as DAX. However, in DAX, if you have multiple IF THEN expressions, there is an easier way of doing it; using a function called SWITCH, this blog is about how you can use switch function in DAX and Power BI to write a conditional expression.Hello, My purpose is to create a column which analyzes 2 columns, start date (ServiceDate) and end date (Line_Item_End_Date__c) and displays how many days, if any, land in August (I'm using this to establish revenue for billing). I've successfully created a DAX code which does this, which looks ... · The reason for the error-message is that you aim to ...DATESYTD: Returns all dates of the year, from the first day to the maximum value of the 'date' (day, month, year) of the context. After changing the measure format to Currency, editing the number of decimal places to 2, and adding it to our matrix, we will have the following result:The Date table must be marked as a date table in the model, in case the relationship between the Date table and any other table is not based on the Date. The DAX formual is Days between = DATEDIFF (Orders [Order Date],Orders [Ship Date],DAY) Or You can use this Dax formula also diff = 1.0* (Orders [Ship Date]-Orders [Order Date]), both give the ...This function returns all dates from the previous year given the latest date in the input parameter. For example, if the latest date in the dates argument refers to the year 2009, then this function returns all dates for the year of 2008, up to the specified year_end_date. The dates argument can be any of the following: A reference to a date ...To format dates and times, you can use predefined date/time formats or create user defined date/time formats. Refer to the tutorial - DAX in this tutorials library for details on formatting dates and times. ... Remarks. If value is BLANK (), FORMAT function returns an empty string. If format_string is BLANK (), the value is formatted with a ...Jun 06, 2017 · YTD-MTD-CY = TOTALYTD([Sum of Sales],’Date'[Calendar Date],”06/30″) As you can see for Dec 2010-11 with the measure [YTD-MTD-CY] I have the Year to date value.; Now the requirement was if the user selected any Fiscal Month (EG: Feb) from the Slicer, they are looking for the Feb 2009-10 value for the Previous Year (Feb 2009-10). A very common issue I see a lot of Power BI users struggle with is a visual (usually Card or KPI) returning (BLANK) instead of 0. There is no setting in the visuals to fix this. But we can easily fix this issue with DAX! In this example, we have sales data for multiple years, but we had no sales in 2010. We create a card visual that shows sales and we add a slicer for year.The MAXX DAX function calculates the max for you. So, all you need to do is put the column in the formula: When you change the Max Date column's format into a date, you'll see that the max date for John Smith is February 23. The max date for Nancy Jones is September 25, while it's September 22 for Elaine Anderson.This is where SUMX comes in. [Active Reps] = SUMX (VALUES (Owners [Owner ID]), [Is Active]) VALUES (Owners [Owner ID]) says to return a list of all the Owners. SUMX then takes that list, evaluates for every value in that list, and sums it all up. We can see that the correct value, 6 , is returned on 1/2/2014.Furthermore, most of the new users come here for guidance, especially when it comes to DAX formulas. In this tutorial, I want to show you better ways of using IF statements inside Power BI. I'll also demonstrate how you can take these techniques even further by adding complexity into these calculations that require the IF-type of logic.Oct 02, 2018 · Hi, I am having trouble figuring out how to write a DAX formula that returns values for the last non blank date. Any help is greatly appreciated! What I am trying to acheive is to remove the need for the end user querying the model to have to make a date selection in order to get values corresponding to the latest date that any account had a market value. So if no date selection is made I just ... In this example, column D records the date a task was completed. Therefore, if the column contains a date (i.e. is not blank), we can assume the task is complete. The formula in cell E5 uses the IF function to check if D5 is "not empty".In DAX, blank + 0 is 0! Yes, I know, for us coming from SQL environment, who think of blank as a NULL twin from SQL, it's completely unexpected behavior. Try to run the following command in SQL Server Management Studio: select NULL+0. As you thought - the result is NULL. In SQL, NULL+something is always NULL…In DAX, it is not:)Oct 02, 2018 · Hi, I am having trouble figuring out how to write a DAX formula that returns values for the last non blank date. Any help is greatly appreciated! What I am trying to acheive is to remove the need for the end user querying the model to have to make a date selection in order to get values corresponding to the latest date that any account had a market value. So if no date selection is made I just ... Showing Results Before Or After A Selected Date Using DAX. By Sam McKay, CFA in Data Modeling, Data Visualization, DAX, ... Additionally, you might find blank data in the visualization when some dates in the date selector are outside the context of the date slicer. Thus, the date selector just needs to show the specific dates according to your ...DAX Functions - Date and Time, DAX Date and Time functions are similar to the Excel date and time functions. However, DAX date and time functions are based on the DAX datetime data type.ARGUMENTS date: A date that you want to test against another date to identify if it's greater than this date. greater_date: A date that another date is tested against. value_if_true: Value to be returned if the date is greater than the greater_date. value_if_false: Value to be returned if the date is not greater than the greater_date.To demonstrate these Power BI DAX Date functions, we use the below-shown data. As you can see, there are 15 records in this table. Power BI DAX Date Functions. The following series of examples shows the list of DAX Date Functions. DAX NOW Function. The DAX Now is one of the date function, used to return the current date and time.If the end_date is a blank date value, then end_date will be the latest value in the dates column Summing Values Between Two Dates In Excel In the caption below, we have the data we are going to use in Excel and Power BI to achieve the same result at the endDAX - Cumulative Total and Blank Handling. When developing DAX measure, you should be aware that Blank value behavior might be similarly insidious as NULL value in DB. Sometimes it can surprise you as shown in the following example. You might have been asked to develop new DAX measure which would show a history of all transactions.To ignore a formula or don't calculate if the specific cell is blank in Excel, we need to check the specific cell is blank or not with IF function, if it's not blank, we can go ahead to calculate with original formula. In our case discussed at the beginning, we need to enter =IF (B2<>"", (TODAY ()-B2)/365.25,"") into Cell C2, and then drag the ...Oct 21, 2015 · So when we slice the Total Quantity by Update Date calculation by the Date table, the relationship used is the not the default Active relationship as is the case with the Total Quantity measure. We can clearly see this illustrated below in the pivot table: 4. DAX Semi-Additives Measures Opening Period and Closing Period Calculations As ever with DAX, I tend to have to remind myself of the basic every so often, especially when i have bee concentrating on other topics. We need to remember the following Model Relationships propagate filters to other tables. Product can be sold many times. (1 to many) Have a look at the model in…Date. Date/time. Dates and times in an accepted date-time representation. Valid dates are all dates after January 1, 1900. Currency. Currency. Currency data type allows values between -922,337,203,685,477.5808 to 922,337,203,685,477.5807 with four decimal digits of fixed precision. N/A. Blank. A blank is a data type in DAX that represents and ...Once you click on Done the following window appear where you can select the date range for your date table. Now you are at the final step of creating date table. Now click on the final step of creating date table from a blank query. Click on Invoke button. Now the date table is already created as below.So this data has to be shown in the commitment status chart. So now we need to get Last Non Empty (Last Available) Commitment value for the given Asset_Allocation [Date_key]. The Blue section highlighted gives the Last Available Commitment Date for which we need to find the commitment value.The result we get is 2 and DAX carried out the calculation only once on the table. You see COUNTX is an iterator. So DAX say to itself, lets filter the product name to shoes. Then, using the table returned by the filter, focus on the Cost price column. COUNTX irritates over each row of the table and counts the values in the cost price column..ARGUMENTS date: A date that you want to test against another date to identify if it's greater than this date. greater_date: A date that another date is tested against. value_if_true: Value to be returned if the date is greater than the greater_date. value_if_false: Value to be returned if the date is not greater than the greater_date.Date. Date/time. Dates and times in an accepted date-time representation. Valid dates are all dates after January 1, 1900. Currency. Currency. Currency data type allows values between -922,337,203,685,477.5808 to 922,337,203,685,477.5807 with four decimal digits of fixed precision. N/A. Blank. A blank is a data type in DAX that represents and ...TRUE if the table is empty (has no rows), if else, FALSE. » 2 related articles Examples-- ISEMPTY checks that a table contains no rows -- -- This example retrieves the products with sales in 2007 and -- no sales in 2008 by using ISEMPTY EVALUATE VAR ProductsSales = ADDCOLUMNS ( TOPN ( 10, VALUES ( 'Product'[Product Name] ) ), "HasSalesIn2007", NOT ISEMPTY ( CALCULATETABLE ( Sales, 'Date ...If you had tried calculating the Pearson correlation coefficient (PCC) in DAX, you would have likely read Gerhard Brueckl's excellent blog post.If you haven't, I encourage you to read it, as it contains a high-level overview of what PCC is. In this article I am showing how the same calculation can be done more efficiently using the new DAX functions, which are available starting with Power ...8. 9. -- DATESBETWEEN returns the dates between the boundaries specified. -- The boundaries are both included in the result. -- If EndDate is earlier than LastDate, the result is an empty table. EVALUATE. VAR StartDate = DATE ( 2008, 08, 25 ) VAR EndDate = DATE ( 2008, 08, 31 ) RETURN.The above excel IF formula will check the date value in Cell B1 if it is less than another specified date(11/3/2018), if the test is TRUE, then return "good", otherwise return "bad" Excel IF function combining with DATE function. You can also use DATE function in an Excel IF statement to compare dates, like the below IF formula:If Blank | If Not Blank | Highlight Blank Cells. Use the IF function and an empty string in Excel to check if a cell is blank.Use IF and ISBLANK to produce the exact same result.. If Blank. Remember, the IF function in Excel checks whether a condition is met, and returns one value if true and another value if false.. 1. The IF function below returns Yes if the input value is equal to an empty ...This challenge can get solved in several ways, but I thought I would see what a DAX-based solution would look. The working PBIX file for this blog can be downloaded here. The starting point is a table visual in the report page called "The Problem", that contains 11 columns of measures.Checks if a table is empty. Syntax DAX ISEMPTY(<table_expression>) Parameters Return value True if the table is empty (has no rows), if else, False. Remarks This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules. Example For the below table named 'Info': DAXSo this data has to be shown in the commitment status chart. So now we need to get Last Non Empty (Last Available) Commitment value for the given Asset_Allocation [Date_key]. The Blue section highlighted gives the Last Available Commitment Date for which we need to find the commitment value.Power Pivot uses a SQL Server date/time data type to work with dates; therefore, if your external data contains dates that are formatted differently -- for example, if your dates are written in a regional date format that is not recognized by the Power Pivot data engine, or if your data uses integer surrogate keys -- you may need to use a DAX ...The MAXX DAX function calculates the max for you. So, all you need to do is put the column in the formula: When you change the Max Date column's format into a date, you'll see that the max date for John Smith is February 23. The max date for Nancy Jones is September 25, while it's September 22 for Elaine Anderson.Aug 26, 2020 · When you evaluate a DAX expression, a blank value is always converted to 0 or to an empty string, depending on the data type requested by the expression, unless it is evaluated in any term of a multiplication, in which case the blank value propagates in the multiplication result. You can obtain a blank value in DAX calling the BLANK function. COUNTIF using a Visual (Pivot Table) Consider this simple "Sales" data with 4 columns. Pretty self-explanatory! My Question: Count the number of transactions done in each channel. Possible Answer: This is easy to solve in a Pivot Table, so is it in Power BI. In Power BI,Jun 01, 2018 · Assignment Accuracy After 04/03/18 = CALCULATE ( [Assignment Accuracy], FILTER ( Dates, Dates[DateKey] > DATE ( 2018, 03, 04 )),Customer[Customer Code] <> "EXAMPLE") Both of which seem to work okay. It’s when I try to combine them back into a single measure that I run into trouble - i.e. the values for after 04/03/18 all return blank: 8. 9. -- DATESBETWEEN returns the dates between the boundaries specified. -- The boundaries are both included in the result. -- If EndDate is earlier than LastDate, the result is an empty table. EVALUATE. VAR StartDate = DATE ( 2008, 08, 25 ) VAR EndDate = DATE ( 2008, 08, 31 ) RETURN.you season 3 love redditcfscrape not workingvionmio mini spy camera appbenchmark barrels for salemagindara tagalogst wikiblower candle blower apk download8 1 exploring quadratic graphs answer keyschedule l tax basis - fd