Question 3 Find all the local maxima, local minima, and saddle points of the function. f(x, y) = x3 + y3 - 192x - 75y + 2 O f(8, 5) = -1272, local minimum; f(8, -5) = -772, saddle point; f(-8, 5) = 776, saddle point; f(-8, -5) = 1276, local maximum O f(-8, -5) = 1276, local maximum; f(8, 5) = -1272, local minimum O f(8, -5) = -772, saddle point; f(-8, 5) = 776, saddle point O f(-8, -5) = 1276, local maximum

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