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Popular Functions >

inverse of f(x)=(0.2)^{-x}+1

Solution

inverse

f (x) = (0.2)^{- x} + 1

Solution

- \frac{ln ( x - 1 )}{ln ( 0.2 )}

Solution steps

y = 0. 2^{- x} + 1

Replace

x

with

y

x = 0. 2^{- y} + 1

Solve for

y, x = 0. 2^{- y} + 1

- \frac{ln ( x - 1 )}{ln ( 0.2 )}

Graph

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(0.2)^{-x}+1 ?
The inverse of f(x)=(0.2)^{-x}+1 is -(ln(x-1))/(ln(0.2))