The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 85.851 3 108.426 6 141.781 9 169.256 12 202.297 15 222.266
The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995. Year Retail Sales 0 85.851 3 108.426 6 141.781 9 169.256 12 202.297 15 222.266
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 6EA
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Question
The following table shows retail sales in drug stores in billions of dollars in the U.S. for years since 1995.
Year | Retail Sales |
---|---|
0 | 85.851 |
3 | 108.426 |
6 | 141.781 |
9 | 169.256 |
12 | 202.297 |
15 | 222.266 |
Let � be the retails sales in billions of dollars in � years since 1995. A linear model for the data is �=9.44�+84.182.
36912158090100110120130140150160170180190200210220
A) Use the above
- The
function is a good model for the data. - The function is not a good model for the data
B) To the nearest billion, estimate the retails sales in the U. S. in 2017. billions of dollars.
C) Use the equation to find the year in which retails sales will be $231 billion.
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