America is getting older. The graph shows the projected elderly U.S. population for ages 65-84 and for ages 85 and older.
Source: U.S. Census Bureau
The formula
a. Use the formula to find the projected increase in the number of Americans ages 65-84. in millions, from 2030 to 2060. Express this difference in simplified radical form.
b. Use a calculator and write your answer in part (a) to the nearest tenth. Does this rounded decimal overestimate or underestimate the difference in the projected data shown by the bar graph on the previous page? By how much?
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College Algebra (7th Edition)
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