SOLUTION: if F is one-to-one- i need to find an equation for its inverse f(x)=3x^3-4

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Question 80120: if F is one-to-one- i need to find an equation for its inverse
f(x)=3x^3-4
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find an equation for its inverse
f(x)=3x^3-4
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Interchange x and y to get:
x=3y^3-4
Solve for y:
y=[(x+4)/3]^(1/3)
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graph+%28400%2C300%2C-10%2C10%2C-10%2C10%2C3x%5E3-4%2C%28%28x%2B4%29%2F3%29%5E%281%2F3%29%29
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Cheers,
Stan H.