Posted by **Renee** on Thursday, November 8, 2012 at 7:26pm.

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

Find the first derivative of the function. Find the critical values of the first derivative.

- Math -
**bobpursley**, Thursday, November 8, 2012 at 7:28pm
f'=4x^3-12x^2=4x^2(x-3)

setting that to zero, x=0, x=3

- Math -
**Renee**, Thursday, November 8, 2012 at 7:29pm
Thank you that the answer I got but wasnt quite sure if it was right.

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