Posted by **Algebra 2. Help, PLEASE!** on Sunday, March 27, 2011 at 11:44pm.

A population of 250 frogs increases at an annual rate of 22%.

a. Write an exponential function to model the population of frogs.

b. Find the population of frogs after 5 years.

- Math -
**vivek**, Monday, March 28, 2011 at 1:14am
b. 525 is the population of the frogs after 5 years

- Math -
**Reiny**, Monday, March 28, 2011 at 9:05am
Frog number = 250(1.22)^n , where n is the number of years

after 5 years --- > 250(1.22)^5 = appr. 676 frogs

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