Question

A bridge is built in the shape of a parabolic arch. The bridge has a span of s= 140 feet and a maximum height of s= 30 feet. Choose a suitable rectangular coordinate system and find the height of the arch at distances of 10, 30, and 50 feet from the center

Answer 1

_Given data: _

The bridge has a span, s = 140 feet

Maximum height of the bridge, h = 25 feet

Let the vertex is,

V

=

(

0

,

25

)

Explanation: