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Let f(a, y) - -4x2 4 2x - 2y? - 3y + 1. Use the Second Partials Test to determine which of the following is

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Let f(a, y) - -4x2 4 2x - 2y? - 3y + 1. Use the Second Partials Test to determine which of the following is true. O a) f(x, y) does not have a critical point at O b) f(x, y) has a saddle point at O c) f(a, y) has a relative maximum at d) f(a, 3/) has a relative minimum at

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