a. Solve the problem: max(min) x2+y2 +z subject to x2+2y²+4z2=1 5. Suppose the constraint is changed to x2+2y2+4z2=1.02. What is the approximat change in the maximum value of objective function?

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Q: could you please help with number 16  Im trying to study for a math placement exam next semester

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Q: Find the minimum value of f subject to the given constraint (x.y) = 2x2 +y?; 2x + 3y = 44

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