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Popular Functions >

inverse of f(x)=2^x

Solution

inverse

f (x) = 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 )}

Graph

Popular Examples

domain of f(x)=sqrt(3x-8)

line (0,0),(2,1)

range of f(x)=x^2-3x+2

inflection x/(ln(x))

range of sqrt(x^2+25)

Frequently Asked Questions (FAQ)

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