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Popular >

inverse of f(x)=(1-2x)/(1+x)

Solution

inverse

f (x) = \frac{1 - 2 x}{1 + x}

Solution

\frac{1 - x}{x + 2}

Solution steps

y = \frac{1 - 2 x}{1 + x}

Replace

x

with

y

x = \frac{1 - 2 y}{1 + y}

Solve for

y, x = \frac{1 - 2 y}{1 + y}

\frac{1 - x}{x + 2}

Graph

Popular Examples

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\frac{1}{4} x - 3

inverse of f(x)= 1/2 x+10 inverse

f (x) = \frac{1}{2} x + 10

inverse of f(x)= 1/2 x+15 inverse

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Frequently Asked Questions (FAQ)

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