Check (0.5, -0.25) is a point and (-0.5, -0.25) is point for the function f(x,y) =...

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Check (0.5, -0.25) is a point and (-0.5, -0.25) is point for the function f(x,y) = (4/3)x3 a +2y - x + y. The of f(x,y) is local maximum local minimum -0.4583 0 0.4583 saddle Check (0.5, -0.25) is a point and (-0.5, -0.25) is point for the function f(x,y) = (4/3)x3 a +2y - x + y. The of f(x,y) is local maximum local minimum -0.4583 0 0.4583 saddle