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Popular >

inverse of f(x)=(x+4)/(x+9)

Solution

inverse

f (x) = \frac{x + 4}{x + 9}

Solution

\frac{4 - 9 x}{x - 1}

Solution steps

y = \frac{x + 4}{x + 9}

Replace

x

with

y

x = \frac{y + 4}{y + 9}

Solve for

y, x = \frac{y + 4}{y + 9}

\frac{4 - 9 x}{x - 1}

Popular Examples

asymptotes of cos(x)-3 asymptotes

cos (x) - 3

domain of f(x)=(x^4)/(sqrt(2-x))domain

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

distance (-4,3),(1,-3)distance

(- 4, 3), (1, - 3)

inverse of log_{10}(5x)inverse

lo g_{10} (5 x)

domain of f(x)=ln^2(x^2+1)domain

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

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(x+4)/(x+9) ?
The inverse of f(x)=(x+4)/(x+9) is (4-9x)/(x-1)