Question: 1. Find the local maximum, local minimum and/or the saddle-point, if any, for the function f(x, y) = x +y + 2ry. You must show

1. Find the local maximum, local minimum and/or the saddle-point, if

1. Find the local maximum, local minimum and/or the saddle-point, if any, for the function f(x, y) = x +y + 2ry. You must show all your work when you find the critical points and you classify them. (5 points)

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