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Popular >

inverse of f(x)= x/(x+20)

Solution

inverse

f (x) = \frac{x}{x + 20}

Solution

- \frac{20 x}{x - 1}

Solution steps

y = \frac{x}{x + 20}

Replace

x

with

y

x = \frac{y}{y + 20}

Solve for

y, x = \frac{y}{y + 20}

- \frac{20 x}{x - 1}

Popular Examples

domain of f(x)=3^xx-2 domain

f (x) = 3^{x} x - 2

domain of f(x)=sqrt(6-t)domain

f (x) = 6 - t

extreme f(x)=x^3+12x^2+5 extreme points

f (x) = x^{3} + 12 x^{2} + 5

domain of f(x)= 1/(3(sqrt(2x+6))-12)domain

f (x) = \frac{1}{3 ( 2 x + 6 ) - 12}

asymptotes of f(x)=(3x^2)/(x^2-4)asymptotes

f (x) = \frac{3 x ^{2}}{x ^{2} - 4}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)= x/(x+20) ?
The inverse of f(x)= x/(x+20) is -(20x)/(x-1)