U.S. Population The following table gives projections of the U.S. population from 2000 to 2100.
a. Find a linear function that models the data, with x equal to the number of years after 2000 and f (x) equal to the population in millions.
b. Find f (65) and state what it means.
c. What does this model predict the population to be in 2080? How does this compare with the value for 2080 in the table?
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 |
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