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Written Assignment 4 Name: Applications of quadratic functions [3

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Written Assignment 4 Name: Applications of quadratic functions [3.1] 2. It is important to remember that the minimum or maximum of a quadratic function always occurs at the vertex of the parabola. Always show your work. An archway of a bridge is parabolic in shape. If the curve of the archway can be modeled by h(x) = -x2 + 12x, where x and h(x) are in feet, then how high is the highest point of the archway?