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Popular >

inverse of f(x)=(x+3)/(2x+1)

Solution

inverse

f (x) = \frac{x + 3}{2 x + 1}

Solution

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

Solution steps

y = \frac{x + 3}{2 x + 1}

Replace

x

with

y

x = \frac{y + 3}{2 y + 1}

Solve for

y, x = \frac{y + 3}{2 y + 1}

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

Graph

Popular Examples

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\frac{- 2 x - 9}{- 6 x - 7}

inverse of 1/(1+2I)inverse

\frac{1}{1 + 2 I}

inverse of sqrt(5x+15)inverse

5 x + 15

Frequently Asked Questions (FAQ)

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