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Popular >

inverse of f(-4)=(x+2)/(x+9)

Solution

inverse

f (- 4) = \frac{x + 2}{x + 9}

Solution

\frac{2 - 9 x}{x - 1}

Solution steps

y = \frac{x + 2}{x + 9}

Replace

x

with

y

x = \frac{y + 2}{y + 9}

Solve for

y, x = \frac{y + 2}{y + 9}

\frac{2 - 9 x}{x - 1}

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Frequently Asked Questions (FAQ)

What is the inverse of f(-4)=(x+2)/(x+9) ?
The inverse of f(-4)=(x+2)/(x+9) is (2-9x)/(x-1)