Question

Identify each of the following functions as exponential growth or decay. Then give the rate of growth or decay as a percent. y=a(3/2)^t

Exponential growth and decay
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asked 2021-01-17
Identify each of the following functions as exponential growth or decay. Then give the rate of growth or decay as a percent. \(\displaystyle{y}={a}{\left(\frac{{3}}{{2}}\right)}^{{t}}\)

Answers (1)

2021-01-18
\(\displaystyle{y}={a}{\left(\frac{{3}}{{2}}\right)}^{{t}}\)
This is a growth function
Rate of decay is 1.5-1=0.5
That is 50%
Consider an exponential function of the form: \(\displaystyle{y}={b}\cdot{a}^{{x}}\)
If a>1, then it is exponential growth function with growth rate a-1
If a<1, then it is exponential decay function with decay rate 1-a
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