Mathematics, 12.04.2021 19:30, narnia85

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5. An archway has vertical sides 10 feet high. The top of an archway can

be modeled by the quadratic function f(x) = -0.5x2 + 10 where x is the

horizontal distance, in feet, along the archway. How far apart are the

walls of the archway? Round your answer to the nearest tenth of a foot.

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5. An archway has vertical sides 10 feet high. The top of an archway can