What is the inverse of f(x)=(x-3)/(-2x-4) ?

The inverse of f(x)=(x-3)/(-2x-4) is -(-3+4x)/(1+2x)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

inverse of f(x)=(x-3)/(-2x-4)

inverse

f (x) = \frac{x - 3}{- 2 x - 4}

- \frac{- 3 + 4 x}{1 + 2 x}

Solution steps

y = \frac{x - 3}{- 2 x - 4}

Replace

x

with

y

x = \frac{y - 3}{- 2 y - 4}

Solve for

y, x = \frac{y - 3}{- 2 y - 4}

- \frac{- 3 + 4 x}{1 + 2 x}

What is the inverse of f(x)=(x-3)/(-2x-4) ?
The inverse of f(x)=(x-3)/(-2x-4) is -(-3+4x)/(1+2x)