Question: Given the sides of a triangle as 7, 9, and 12 units, what is the area of the triangle using Heron's Formula?
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What is the derivative of sqrt(sin(x)) with respect to x?
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What is the equation of the quadratic function represented by the graph below? f(x) = ax² + bx + c, with vertex (2, -3), passing through points (-1, 8) and (5, -7).