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Popular >

inverse of y=2^{-x}

Solution

inverse

y = 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)=sqrt(((1-x))/(1+x))inverse

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

inverse of (2pi)/3 inverse

\frac{2 π}{3}

inverse of f(x)=(-9)/2 x+5 inverse

f (x) = \frac{- 9}{2} x + 5

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

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

inverse of f(x)=tan((3.14x)/2)+3 inverse

f (x) = tan (\frac{3.14 x}{2}) + 3

Frequently Asked Questions (FAQ)

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