Mathematics, 28.09.2019 19:10 kris22elizondop9v1bb

The temperature of a point $(x, y)$ in the plane is given by the expression $x^2 + y^2 - 4x + 2y$. what is the temperature of the coldest point in the plane?

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The temperature of a point $(x, y)$ in the plane is given by the expression $x^2 + y^2 - 4x + 2y$. w...