The question asks for local minimum of x^4-9x^3+9x^2+5x-4.(adsbygoogle = window.adsbygoogle || []).push({});

The answer was x=-0.21 and 5.96.

I thought 5.96 is the absolute minimum, since it gives the loweset y value on the open interval. Where am I wrong.

Thanks.

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# Homework Help: Local minimum

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