Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f
= 
, saddle point
B. f
= 
, local minimum; f
= 
, local minimum
C. f
= 
, saddle point; f
= 
, saddle point
D. f
= - 
, local maximum
Answer: A
Mathematics
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?
A. ?
B. 
C. 
D. 
E. 
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A. x = -3, y = 0, z = 4 B. x = 3, y = 0, z = -4 C. x = 0, y = -6, z = 1 D. x = 0, y = 6, z = -1
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A. 
B. {0, 2}
C. 
D. {0, -2}
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