Find the extreme values of the function subject to the given constraint.
A. Minimum: 3 at (±1, 0); maximum: 0 at (0, 0)
B. Minimum: 3 at (0, ±1); maximum: 9 at (±1, 0)
C. Minimum: 3 at (±1, 0); maximum: 9 at (0, ±1)
D. Minimum: 3 at (0, ±1); maximum: 0 at (0, 0)
Answer: B
Mathematics
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