SOLUTION: If f(x) = (x + 48.2)3, what does f−1(−8) equal?

SOLUTION: If f(x) = (x + 48.2)3, what does f−1(−8) equal?

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Question 132987: If f(x) = (x + 48.2)3, what does f−1(−8) equal?

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Based on your recent note, the problem is asking for the inverse function of

First, replace with y.

Now, solve for x.

Reorder as

Finally, replace every x with y and every y with x as follows:

That is the inverse function

Now solve when x = (-8)

y = -50.2

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