Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.

A.   saddle point;    saddle point;    saddle point;    saddle point;    saddle point
B.   local maximum;    local maximum;    local minimum;    local minimum
C.   saddle point;    local maximum;    local minimum
D.   saddle point;    local maximum;    local maximum;    local minimum;    saddle point;    saddle point;    local minimum;    saddle point;    saddle point


Answer: D

Mathematics

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