the dimensions of such a rectangle with the greatest possible area?
Width =
Height =
Width =
Height =
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The vertex of this parabola (y - 5) = x^2 is (0,5)
Therefore the area is (2x) (one to the right of the origin and one to the left) times (5-x)^2 =
A = 2x^3 - 20x^2 + 50x
Therefore the area is (2x) (one to the right of the origin and one to the left) times (5-x)^2 =
A = 2x^3 - 20x^2 + 50x