SOLUTION: Determine the inverse of the function f(x)=3x^2

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Question 963342: Determine the inverse of the function
f(x)=3x^2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=3x%5E2
Interchange x and y and solve for y, that's the inverse.
x=3y%5E2
x%2F3=y%5E2
y=sqrt%28x%2F3%29 and y=-sqrt%28x%2F3%29
f%5E%28-1%29%28x%29=sqrt%28x%2F3%29 and f%5E%28-1%29%28x%29=-sqrt%28x%2F3%29