Question

You live near a bridge that goes over a river. The underside of the bridge is an arch that can be modeled with the function y=-0.000371x^2+827x where x and y are measured in feet. How high above the river is the bridge(The top arch)? How long is the section above the arch?

Answer 1

The bridge is about 460.87 ft above and the length of the bridge above the arch is about 2,229.11 ft
The bridge is about 2,229.11ft above the river, and the length of the bridge above the arch is about 460.87
The bridge is about 460.87 above the river, and the length of the bridge above the arch is about 230.435
The bridge is about 230.435 ft above the river, and the length of the bridge above the arch is about 2,2229.11ft

Answer 2

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