The equations of the tangent planes to the graph z = f(x, y)at the points (0, -2), (2, 1)are $z - 3 x + 2 y = 5$ and $1 = 2 x + 5 y - z$ , respectively.Determine the value of $f ( 0 , - 2 )$ State whether the value you find is exact or an approximation.

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The Answer of The equations of the tangent planes to the graph z = f(x, y)at the points (0, -2), (2, 1)are $z - 3 x + 2 y = 5$ and $1 = 2 x + 5 y - z$ , respectively.Determine the value of $f ( 0 , - 2 )$ State whether the value you find is exact or an approximation.

The Equations of the Tangent Planes to the Graph Z z−3x+2y=5z - 3 x + 2 y = 5z−3x+2y=5

The Equations of the Tangent Planes to the Graph Z $z - 3 x + 2 y = 5$