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OpenStudy (anonymous):
Can someone tell me what is the maximum of 4x^3-42x^2+108x
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OpenStudy (anonymous):
u can use derivatives to find it....
OpenStudy (anonymous):
Was there a particular domain in mind? There is no global maximum but there is a local one. As @matricked suggested, find a value for which the derivative is 0 and then analyze what happens around that point.
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