In Exercise the 1960-1990 population census data for a U.S. city is given.
a. Find the exponential model P = a ·bt (with t = 0 in 1960) that best fits these census data.
b. What was the city's average annual percentage rate of growth during this 30-year period?
c. Use your model to predict the city’s population in 2000.
Exercise
San Diego
| Year | 1960 | 1970 | 1980 | 1990 |
| Population (thou sands) | 573 | 697 | 876 | 1111 |
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