14. The population of polar bears in the world is decreasing and can be modeled by the function t P(t)18600(.91). where t is the amount of years. Using this function, answer the following:

a) What is the initial population of polar bears?

b) What percent rate is the population decreasing by per year?

c) How many polar bears will there be in 5 years?

d) Which of the following choices approximately represents the amount of years it will be for the polar bear population to reach 8,000?
(3) 9
(2) 7
(1) 5
(4) 10