Let the function f(z, y) = 4x* + y - 7y2- whether each point gives a...

 

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Let the function f(z, y) = 4x* + y - 7y2- whether each point gives a local maximum, a local minimum or a saddle point. 4ry+4y-8z + 10. Find all critical points and indicate Let the function f(z, y) = 4x* + y - 7y2- whether each point gives a local maximum, a local minimum or a saddle point. 4ry+4y-8z + 10. Find all critical points and indicate