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Popular >

inverse of f(x)=4^{-x}

Solution

inverse

f (x) = 4^{- x}

Solution

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

Solution steps

y = 4^{- x}

Replace

x

with

y

x = 4^{- y}

Solve for

y, x = 4^{- y}

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

Graph

Popular Examples

inverse of f(x)=15+sqrt(5x-5)inverse

f (x) = 15 + 5 x - 5

inverse of f(x)=e^{x^2-2x}inverse

f (x) = e^{x^{2} - 2 x}

inverse of f(x)=10^x+8 inverse

f (x) = 1 0^{x} + 8

inverse of f(x)=(-ln(x))^a inverse

f (x) = (- ln (x))^{a}

inverse of f(x)=(x+9)/(x-3)inverse

f (x) = \frac{x + 9}{x - 3}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=4^{-x} ?
The inverse of f(x)=4^{-x} is -(ln(x))/(2ln(2))