SOLUTION: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case.       Log On


   

Question 145279: Do exponential functions only model phenomena that grow, or can they also model phenomena that decay? Explain what is different in the form of the function in each case.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Exponential form: y = ab^x
If b is > 1, the function models growth.
If 0 < b < 1, the function models decay.
=======================================
Cheers,
Stan H.