Saturday
November 22, 2014

Homework Help: calculus

Posted by zama on Sunday, November 8, 2009 at 7:48am.

f(x)=2x+8x^-1.For this function there are four important intervals: (-infinity,A],[A,B),(B,C), and [C,infinity) where A,B and C are either critical numbers or points at which f(x) is undefined.Find A,B and C.

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