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Popular Functions >

inverse of f(x)=(4x)/(7-x)

Solution

inverse

f (x) = \frac{4 x}{7 - x}

Solution

\frac{7 x}{x + 4}

Solution steps

y = \frac{4 x}{7 - x}

Replace

x

with

y

x = \frac{4 y}{7 - y}

Solve for

y, x = \frac{4 y}{7 - y}

\frac{7 x}{x + 4}

Graph

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(4x)/(7-x) ?
The inverse of f(x)=(4x)/(7-x) is (7x)/(x+4)