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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^2+x-1 inverse

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

inverse of f(x)=(sqrt(e^x+4))/2 inverse

f (x) = \frac{e ^{x} + 4}{2}

inverse of (1+7x)/(7-5x)inverse

\frac{1 + 7 x}{7 - 5 x}

inverse of x^2=2y inverse

x^{2} = 2 y

inverse of ((2x+3))/((7x-8))inverse

\frac{( 2 x + 3 )}{( 7 x - 8 )}

Frequently Asked Questions (FAQ)

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