What is the inverse of f(x)=121x^2 ?

The inverse of f(x)=121x^2 is (sqrt(x))/(11),-(sqrt(x))/(11)

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inverse of f(x)=121x^2

inverse

f (x) = 121 x^{2}

\frac{x}{11}, - \frac{x}{11}

Solution steps

y = 121 x^{2}

Replace

x

with

y

x = 121 y^{2}

Solve for

y, x = 121 y^{2}

\frac{x}{11}, - \frac{x}{11}

f (x) = 13 - x^{2}

f (x) = \frac{x + 3}{7}

f (x) = \frac{1}{3} (5)^{- 2 (x + 4)} - 1

f (x) = - 2 (x + 1)^{2} - 4

f (x) = (x - 2)^{2} + 6

What is the inverse of f(x)=121x^2 ?
The inverse of f(x)=121x^2 is (sqrt(x))/(11),-(sqrt(x))/(11)