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the global maximum of the function h(x)=1/x^2 + 1 defined on (-infinity, infinity) is: a) 1...

the global maximum of the function h(x)=1/x^2 + 1 defined on (-infinity, infinity) is: a) 1 b) 0 c) 1/2 d) DNE

Consider a family of functions f(x)=e^-ax + e^ax for a does not = 0. which of the following holds for every member of the family?

a) f is always increasing b) f is always concave up c) f has no critical points

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