Find dimension of rectangle that give maximum area (2 vertices lie on y = 1-x^2)

Question: Optimization hw problem
 A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y =1-x^2. What are the dimensions of such a rectangle with the greatest possible area?Width = Height = 

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Answered By:

Doug C.
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Written Explanation:

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