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Popular >

inverse of f(x)=-2^x+1

Solution

inverse

f (x) = - 2^{x} + 1

Solution

\frac{ln ( 1 - x )}{ln ( 2 )}

Solution steps

y = - 2^{x} + 1

Replace

x

with

y

x = - 2^{y} + 1

Solve for

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

\frac{ln ( 1 - x )}{ln ( 2 )}

Popular Examples

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f (x) = 2000 - 4 x

inverse of f(x)=-x/2-1/2 inverse

f (x) = - \frac{x}{2} - \frac{1}{2}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=-2^x+1 ?
The inverse of f(x)=-2^x+1 is (ln(1-x))/(ln(2))