# algebra 2

Find the inverse of the function.
f(x) = e^-x + 5

f(x) = 10^x + 2

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1. original function:
y = e^-x + 5
inverse function:
x = e^-y + 5
e^-y = x-5
ln (e^-y) = ln(x-5)
-y = ln(x-5)
y = -ln(x-5)

f^-1(x) = -ln(x-5)

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posted by Reiny

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