# college math

posted by
**Shin** on
.

Braking distance The braking distance y in feetthat it takes for a car to stop on wet ,level pavement can be estimated by y = 1/9 x^2, where the x is the speed of the car in miles per hour Find the speed associated with with each braking distance.

(a.) 25 feet (b.) 361 (c.) 784