SOLUTION: given f(x)5x^3, find f^-1(x). then state whether f^-1(x) is a function

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Question 385604: given f(x)5x^3, find f^-1(x). then state whether f^-1(x) is a function
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
given f(x)= 5x^3,
find f^-1(x).
1st: Interchange x and y to get:
x = 5y^3
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2nd: solve for "y":
y^3= (x/5)
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y = cbrt(x/5)
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then state whether f^-1(x) is a function
Yes, it is a function.
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Cheers,
Stan H.