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Popular >

inverse of f(x)=(x+9)/(x+3)

Solution

inverse

f (x) = \frac{x + 9}{x + 3}

Solution

\frac{9 - 3 x}{x - 1}

Solution steps

y = \frac{x + 9}{x + 3}

Replace

x

with

y

x = \frac{y + 9}{y + 3}

Solve for

y, x = \frac{y + 9}{y + 3}

\frac{9 - 3 x}{x - 1}

Graph

Popular Examples

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f (x) = 6 - \frac{4 x}{1 + 3 x}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(x+9)/(x+3) ?
The inverse of f(x)=(x+9)/(x+3) is (9-3x)/(x-1)