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College Algebra in Context with Applications for the Managerial, Life, and Social Sciences 3rd Edition by Ronald J Harshbarger, Lisa Yocco
Edition 3ISBN: 032157060XCollege Algebra in Context with Applications for the Managerial, Life, and Social Sciences 3rd Edition by Ronald J Harshbarger, Lisa Yocco
Edition 3ISBN: 032157060X Exercise 5
Step-by-step solution
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Step 1 of 3
Consider the following table gives projections of the U.S. population from 2000 to 2100.
| Year | Population (millions) | Year | Population (millions) |
| 2000 | 275.3 | 2060 | 432.0 |
| 2010 | 299.9 | 2070 | 463.6 |
| 2020 | 324.9 | 2080 | 497.8 |
| 2030 | 351.1 | 2090 | 533.6 |
| 2040 | 377.4 | 2100 | 571.0 |
| 2050 | 403.7 |
(a) Let us find a linear function that models the data, with x equals to the number of years after 2000 and
equal to the population in millions.
Enter the data from the above table in the lists of a graphing utility.
The figure below shows a partial list of the data points.
The equation that fits best for the data, found using linear regression with a graphing calculator.
. Thus, the linear function that models the data is
. Step 2 of 3
Step 3 of 3
College Algebra in Context with Applications for the Managerial, Life, and Social Sciences 3rd Edition by Ronald J Harshbarger, Lisa Yocco
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