# Algebra 2

posted by
**Luke**
.

A bridge is designed with cables that connect two towers that rises above a roadway. Each cable is modeled by the function, H(x)=1/9000x2-7/15x+500, where x and h(x) are measured in feet.

a. what is the height above the road of a cable at it's lowest point?

b. Find the distance between towers.