Question: Let f(x) = ax 2 + bx + c, a 0. Recall that the graph of y = f(x) is a parabola. Use the

Let f(x) = ax² + bx + c, a ≠ 0. Recall that the graph of y = f(x) is a parabola. Use the derivative f'(x) to derive a formula for the x coordinate of the vertex of this parabola.

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