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Popular >

inverse of f(x)=(1+2x)/(7+x)

Solution

inverse

f (x) = \frac{1 + 2 x}{7 + x}

Solution

\frac{1 - 7 x}{x - 2}

Solution steps

y = \frac{1 + 2 x}{7 + x}

Replace

x

with

y

x = \frac{1 + 2 y}{7 + y}

Solve for

y, x = \frac{1 + 2 y}{7 + y}

\frac{1 - 7 x}{x - 2}

Popular Examples

inverse of f(x)=(x^{1/3})/5+8 inverse

f (x) = \frac{x ^{\frac{1}{3}}}{5} + 8

inverse of (x+2)^3-8 inverse

(x + 2)^{3} - 8

inverse of f(x)= x/9+1 inverse

f (x) = \frac{x}{9} + 1

inverse of f(x)=-1/2 (x-1)^2+8 inverse

f (x) = - \frac{1}{2} (x - 1)^{2} + 8

inverse of f(x)=sqrt(x-3)+4 inverse

f (x) = x - 3 + 4

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(1+2x)/(7+x) ?
The inverse of f(x)=(1+2x)/(7+x) is (1-7x)/(x-2)