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Concept explainers
E-Filing The table shows the numbers of tax returns (in millions) made through e-file from 2007 through2014. Let f (t) represent the number of tax returns made through e-file in the year t.
(a) Find
(b) Make a
(c) Find a linear model for the data algebraically. Let N represent the number of tax returns
made through e-file and
(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
How does the model you found in part (c) compare with the model given by the graphing
utility?
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Chapter P Solutions
Bundle: Trigonometry, 10th + Webassign Printed Access Card For Larson's Trigonometry, 10th Edition, Single-term
- Sales Barnes & Noble had annual sales of $6.8 billion in 2013 and $6.1 billion in 2015. Use the Midpoint Formula to estimate the sales in 2014. Assume that the annual sales followed a linear pattern.arrow_forwardDoes Table 2 represent a linear function? If so, finda linear equation that models the data.arrow_forwardFor the revenue model in Exercise 10.206 and Exercise 10.210, explain what the x-intercepts mean to the backpack retailer.arrow_forward
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