Question

What is the inverse of the function f(x) = one-ninthx 2?.

Answer 1

Answer:

$3\sqrt{x} , -3\sqrt{x}$

Step-by-step explanation:

Function inverse definition :

A function g is the inverse of function f if for y = f(x), x = g(y)

y = 1/9x^2

Replace x with y.

x = 1/9y^2

Solve for y, x = 1/9x^2

$3\sqrt{x} , -3\sqrt{x}$

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