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Popular Functions >

inverse of f(x)=(4x-9)/(-5x)

Solution

inverse

f (x) = \frac{4 x - 9}{- 5 x}

Solution

\frac{9}{5 x + 4}

Solution steps

y = \frac{4 x - 9}{- 5 x}

Replace

x

with

y

x = \frac{4 y - 9}{- 5 y}

Solve for

y, x = \frac{4 y - 9}{- 5 y}

\frac{9}{5 x + 4}

Graph

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(4x-9)/(-5x) ?
The inverse of f(x)=(4x-9)/(-5x) is 9/(5x+4)