College algebra

Question

The population of a small town in central Florida has shown a linear decline in the years 1986-1997.

In 1986 the population was 32400 people. In 1997 it was 21950 people.

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A) Write a linear equation expressing the population of the town, P, as a function of t, the number

of years since 1986.

Answer:

Answer 1

32400-19500= 12,900

12900/11 = 1,172.7272... decline annually

P(t) = 3,240 - 12,900t/11