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Popular >

inverse of f(x)=(x+2)/(x+7)

Solution

inverse

f (x) = \frac{x + 2}{x + 7}

Solution

\frac{2 - 7 x}{x - 1}

Solution steps

y = \frac{x + 2}{x + 7}

Replace

x

with

y

x = \frac{y + 2}{y + 7}

Solve for

y, x = \frac{y + 2}{y + 7}

\frac{2 - 7 x}{x - 1}

Popular Examples

critical f(x)=x^4+8x^3-14x^2+3 critical points

f (x) = x^{4} + 8 x^{3} - 14 x^{2} + 3

domain of 11-x domain

11 - x

range of 4(1/5)^x range

4 (\frac{1}{5})^{x}

domain of 117x^4-78x^3 domain

117 x^{4} - 78 x^{3}

inverse of (6x)/(7x-3)inverse

\frac{6 x}{7 x - 3}

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=(x+2)/(x+7) ?
The inverse of f(x)=(x+2)/(x+7) is (2-7x)/(x-1)