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Popular >

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

Solution

inverse

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

Solution

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

Solution steps

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

Replace

x

with

y

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

Solve for

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

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

Popular Examples

domain of f(x)=8x^2 domain

f (x) = 8 x^{2}

domain of x^3+2 domain

x^{3} + 2

inflection f(x)=3x^4+4x^3 inflection points

f (x) = 3 x^{4} + 4 x^{3}

intercepts of x^4-6x^2+8 intercepts

x^{4} - 6 x^{2} + 8

asymptotes of f(x)=sqrt(x^2+7)asymptotes

f (x) = x^{2} + 7

Frequently Asked Questions (FAQ)

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