A bridge is built in the shape of a parabolic arch. The bridge has a span of
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A bridge is built in the shape of a parabolic arch. The bridge has a span of 120 feet and a maximum height of 25 feet. See the illustration. Choose a suitable rectangular coordinate system and find the height of the arch at distances of 10, 30, and 50 feet from the center.
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125 ft 120 ft
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Set up the problem so that the vertex of the parabola is at 0 0 and it opens down Then ...View the full answer
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