Determine whether each function represents exponential growth or decay. Write the base in terms of the rate of growth or decay, identify r, and interp

Armorikam 2020-10-23 Answered

Determine whether each function represents exponential growth or decay. Write the base in terms of the rate of growth or decay, identify r, and interpret the rate of growth or decay.
y=4502x

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Expert Answer

Leonard Stokes
Answered 2020-10-24 Author has 98 answers
For an exponential function in the form y=abx
If b>1 , the function is increasing and is an exponential growth function.
If 0<b<1 , the function is decreasing and is an exponential growth function.
Because b= 2 > 1, then the function represents an exponential growth. The exponential growth function is given by:
A(t)=a(1+r)t
where a is the initial amount, (1+r) is the growth factor, and r is the rate of growth.
Using the value of b,
b=1+r2=1+1
Hence, the base in terms of the rate of decay is:
y=450(1+1)x
and r is the rate of growth:
r=1 or 100%
This means that the function increases by 100% as x increases by 1.
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madeleinejames20
Answered 2021-06-11 Author has 4 answers

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