Solved: E-Filing The table shows the numbers of tax returns (in millions) made through

Chapter 1, Problem 76

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E-Filing The table shows the numbers of tax returns (in millions) made through e-file from 2003 through 2010. Let represent the number of tax returns made through e-file in the year (Source: Internal Revenue Service) (a) Find and interpret the result in the context of the problem. (b) Make a scatter plot of the data. (c) Find a linear model for the data algebraically. Let represent the number of tax returns made through e-file and let correspond to 2003. (d) Use the model found in part (c) to complete the table. (e) Compare your results from part (d) with the actual data. (f) Use a graphing utility to find a linear model for the data. Let correspond to 2003. How does the model you found in part (c) compare with the model given by the graphing utility?

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