Asked by Britney

Let f(x)= x^4-4x^3+10

Where are the relative extrema, if they exist? Show all partsof the analysis necessary.
Answered by Reiny
f ' (x) = 4x^3 - 12x^2
= 0 for max/min
4x^2(x-3) = 0

x = 0 or x = 3

take it from there
Answered by Britney
Yes , I did that part, what else do I have to do?
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