A parabolic arch has a span of 120 feet and a maximum height of 25 feet. Choose suitable rectangular coordinate axes and find the equation of the parabola.Then calculate the height of the arch at points 10 feet,20 feet,and 40 feet from the center.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
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Chapter4: Rational Functions And Conics
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A parabolic arch has a span of 120 feet and a maximum height of 25 feet. Choose suitable rectangular coordinate axes and find the equation of the parabola.Then calculate the height of the arch at points 10 feet,20 feet,and 40 feet from the center.

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