Question

• Since January 1980, the population, P, of the city of Brownville has increased closely modeling the

function, PC) = 720500(1.022) where y is the number of years since January 1980.
(b) By what percent is the population increasing?
a) Explain what the numbers 720,500 and
1.022 represent in this model.

Answer 1

B) The population is increasing by 102.2% each year.

A) 720,500 represents the initial amount of people in January 1980 and 1.022 represents the increase factor that multiplies to the amount.

Explanation:

1.022 times 100 equals 102.2% (a number in the decimals place times 100 give you the percent).