katiebouzianis katiebouzianis

06-05-2024
Mathematics

Answered

to keep the water of the road´s surface is shaped like a parabola as in the cross sections below. The surface of the road can be modeled by the graph of y=-0.0017x^2 +0.041x where x and y are measured in feet. find the width of the rad to the nearest tenth of a foot.

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