Posted by **Britney** on Sunday, November 11, 2012 at 3:54pm.

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

Where are the relative extrema, if they exist? Show all partsof the analysis necessary.

- math -
**Reiny**, Sunday, November 11, 2012 at 5:45pm
f ' (x) = 4x^3 - 12x^2

= 0 for max/min

4x^2(x-3) = 0

x = 0 or x = 3

take it from there

- math -
**Britney**, Sunday, November 11, 2012 at 6:31pm
Yes , I did that part, what else do I have to do?

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