Find intervals on which f(x)=-x^3 + 12x +5 , -3<x<3 is increasing and decreasing. Where does the function assume extreme values and what are these values ?(adsbygoogle = window.adsbygoogle || []).push({});

does anybody knows how to do this??

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# Homework Help: Where is x^3 + 12x + 5 increasing and decreasing

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