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Popular >

inverse of f(x)=sqrt(2x)+9

Solution

inverse

f (x) = 2 x + 9

Solution

\frac{x ^{2} - 18 x + 81}{2}

Solution steps

y = 2 x + 9

Replace

x

with

y

x = 2 y + 9

Solve for

y, x = 2 y + 9

\frac{x ^{2} - 18 x + 81}{2}

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Frequently Asked Questions (FAQ)

What is the inverse of f(x)=sqrt(2x)+9 ?
The inverse of f(x)=sqrt(2x)+9 is (x^2-18x+81)/2