# SOLUTION: I have a word problem that i can't figure out would you please help me. Question- write a exponential function to model the situation. Then estimate the value of the function a

Algebra ->  Algebra  -> Exponential-and-logarithmic-functions -> SOLUTION: I have a word problem that i can't figure out would you please help me. Question- write a exponential function to model the situation. Then estimate the value of the function a      Log On

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 Algebra: Exponent and logarithm as functions of power Solvers Lessons Answers archive Quiz In Depth

 Question 74866: I have a word problem that i can't figure out would you please help me. Question- write a exponential function to model the situation. Then estimate the value of the function after 5 years(to the nearest whole number)-- A population of 270 animals that decreses at an anual rate of 22% I am not totaly sure what formula to use? I think it might be one of the following. A=p(1+r/n)or A=p(1-r/n) Im not sure. Could you please help me to decide what formula to use. Thank you very much!!! Answer by stanbon(57219)   (Show Source): You can put this solution on YOUR website!Question- write a exponential function to model the situation. Then estimate the value of the function after 5 years(to the nearest whole number)-- A population of 270 animals that decreses at an anual rate of 22%------------------------------------------ f(t) = 270*0.78^(t) f(5) = 270*0.78^5 f(5)= 270*0.28872 f(5)= 77.95 since you cannot have 0.95 or an animal f(5) = 77 animals after 5 years Cheers, Stan H.