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Maths Puzzle
Numerical Ability
What does the word "identify" mean in algebra?
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A right triangle has one vertex on the graph of y = 3 - x^2, x > 0, and (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.
I can't figure this out. I'm thinking I have to write two equations, but I don't know what they need to be. please help!
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