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Popular Functions >

inverse of f(x)=2x^2-x

Solution

inverse

f (x) = 2 x^{2} - x

Solution

\frac{1 + 1 + 8 x}{4}, \frac{1 - 1 + 8 x}{4}

Solution steps

y = 2 x^{2} - x

Replace

x

with

y

x = 2 y^{2} - y

Solve for

y, x = 2 y^{2} - y

\frac{1 + 1 + 8 x}{4}, \frac{1 - 1 + 8 x}{4}

Graph

Popular Examples

line (4, 3/2),(7, 3/5)

asymptotes of f(x)=tan(pi/2 x)

distance (7,-1),(3,8)

distance (-1/3 ,2),(5/3 ,-2/3)

Frequently Asked Questions (FAQ)

What is the inverse of f(x)=2x^2-x ?
The inverse of f(x)=2x^2-x is (1+sqrt(1+8x))/4 ,(1-sqrt(1+8x))/4