Currently, there are 201 bald eagles in Forest National Park. Bald eagles are an endangered species, and the population of bald eagles is decreasing by 9% every year. Which of the following functions represents the number of bald eagles in Forest National Park in t years?
B(t) = 201(0.91)t
B(t) = 182.91t
B(t) = 201(-0.91)t
B(t) = 201(1.09)t

Question

Currently, there are 201 bald eagles in Forest National Park. Bald eagles are an endangered species, and the population of bald eagles is decreasing by 9% every year. Which of the following functions represents the number of bald eagles in Forest National Park in t years?
B(t) = 201(0.91)t
B(t) = 182.91t
B(t) = 201(-0.91)t
B(t) = 201(1.09)t

igreen · Answer

9% = 0.09

1 - 0.09 = ? @haileyalexander

anonymous · Answer

0.91 @iGreen

igreen · Answer

Yep, so the rate will be $B(t) = 201(0.91)^t$

igreen · Answer

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anonymous · Answer

Thank you very much. That was the correct answer.

igreen · Answer

No problem.