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The function f has continuous second derivatives, and a critical point at (7, 0). Suppose frz (7, 0) = 11, fry(7, 0) - -2, fy(7,

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The function f has continuous second derivatives, and a critical point at (7, 0). Suppose frz (7, 0) = 11, fry(7, 0) - -2, fy(7, 0) = 9. Then the point (7, 0): O A. is a saddle point O B. is a local minimum O C. cannot be determined O D. is a local maximum O E. None of the above

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