Question: A right triangle has one vertex on the graph of y = 9 - x 2 , x > 0, at (x, y), another at

A right triangle has one vertex on the graph of y = 9 - x², x > 0, at (x, y), another at the origin, and the third on the positive x-axis at (x, 0). Express the area A of the triangle as a function of x.

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