Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(-2, -6) = -34, saddle point
B. f(2, -6) = -50, local minimum
C. f(-2, 6) = 110, local maximum
D. f(2, 6) = 94, saddle point
Answer: B
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? 