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Popular >

inverse of f(x)=2^x+1

Solution

inverse

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

Solution

\frac{ln ( x - 1 )}{ln ( 2 )}

Solution steps

y = 2^{x} + 1

Replace

x

with

y

x = 2^{y} + 1

Solve for

y, x = 2^{y} + 1

\frac{ln ( x - 1 )}{ln ( 2 )}

Popular Examples

domain of f(x)=\sqrt[4]{x+9}domain

extreme f(x)=x^3-9x^2-120x+6 extreme points

f (x) = x^{3} - 9 x^{2} - 120 x + 6

domain of f(x)=|9-x|domain

f (x) = ∣ 9 - x ∣

range of 4sqrt(x-2)-8 range

4 x - 2 - 8

range of 2e^x+1 range

2 e^{x} + 1

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=2^x+1 ?
The inverse of f(x)=2^x+1 is (ln(x-1))/(ln(2))