Solve the Problem. -An Experimental Model for a Suspension Bridge Is Built in Is

Multiple Choice

Solve the problem.
-An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section,cable runs from the top of one tower down to the roadway, just touching it there, and up again to the topof a second tower. The towers stand 40 inches apart. At a point between the towers and 12 inches along theroad from the base of one tower, the cable is 0.64 inches above the roadway. Find the height of the towers.

A) 4 in.
B) 4.5 in.
C) 3.5 in.
D) 6 in.