Real World Applications Of Quadratics

Question

A highway underpass is parabolic in shape. If the curve of the underpass can be modeled by h(x)=50-0.02x^2, where x and h(x) are in feet, then how high is the highest point of the underpass, and how wide is it?

Answer 1

The max height is 50 feet and it is 100 feet long.

I graphed it at wwww.desmos.com