SOLUTION: Find the inverse of f(x)=3x^3-12

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Question 908336: Find the inverse of f(x)=3x^3-12
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the inverse of f(x)=3x^3-12
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y = 3x^3 - 12
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1st: Interchange x and y.
x = 3y^3 - 12
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2nd: Solve for "y":
3y^3 = x+12
y^3 = (x+12)/3
y = cbrt[(x+12)/3]
That is the inverse.
Cheers,
Stan H.
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