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OpenStudy (anonymous):
Let f(x) = 8\sqrt{x}-8x for x > 0. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima)
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OpenStudy (mathmale):
Bet you know how to start: Please find the derivative, f '(x), Set it equal to zero and find the critical values. I'd be happy to provide further guidance after you've done these things.
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