Concept explainers
Revenue The annual revenue of Amazon rose from approximately $10.7 billion in 2006 to $34.2 billion in 2010.17
a. Use this information to find both a linear model and an exponential model for Amazon's annual revenue I (in billions of dollars) as a function of time tin years since 2000. (Round all coefficients to three significant digits.) [HINT: See Example 2.] Which of these models would you judge to be more appropriate to the data shown below?
Year t (years since 2000) | 6 | 7 | 8 | 9 | 10 |
Annual Revenue I ($ billion) | 10.7 | 14.8 | 19.2 | 24.5 | 34.2 |
b. Use the better of the two models from part (a) to predict the 2008 figure, and compare it with the actual figure above.
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Chapter 2 Solutions
Bundle: Applied Calculus, Loose-leaf Version, 7th + Webassign Printed Access Card For Waner/costenoble's Applied Calculus, 7th Edition, Single-term
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