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Popular Functions >

inverse of f(x)=(1-4x)/(2x+9)

Solution

inverse

f (x) = \frac{1 - 4 x}{2 x + 9}

Solution

\frac{1 - 9 x}{2 ( 2 + x )}

Solution steps

y = \frac{1 - 4 x}{2 x + 9}

Replace

x

with

y

x = \frac{1 - 4 y}{2 y + 9}

Solve for

y, x = \frac{1 - 4 y}{2 y + 9}

\frac{1 - 9 x}{2 ( 2 + x )}

Graph

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Frequently Asked Questions (FAQ)

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