Posted by **julie** on Sunday, October 28, 2007 at 8:44pm.

absolute maximum of (x^2-4)/(x^2+4)

the critical numbers i got was x=0,-2.59, and 3.09

the absolute minimum is f(0)=-1

what is the absolute maximum:

is it both f(-4)=(f(4))=.6?

or can there only be one

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