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Popular >

inverse of 2^{-x}

Solution

inverse

2^{- x}

Solution

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

Solution steps

y = 2^{- x}

Replace

x

with

y

x = 2^{- y}

Solve for

y, x = 2^{- y}

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

Popular Examples

inverse of f(x)=-2x-6 inverse

f (x) = - 2 x - 6

inverse of f(x)=5x^{1/5}inverse

f (x) = 5 x^{\frac{1}{5}}

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

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

inverse of f(x)= 1/(e^{x^2)+3}inverse

f (x) = \frac{1}{e ^{x^{2}} + 3}

inverse of f(x)= 2/x+2 inverse

f (x) = \frac{2}{x} + 2

Frequently Asked Questions (FAQ)

What is the inverse of 2^{-x} ?
The inverse of 2^{-x} is -(ln(x))/(ln(2))