The quadratic function d(s)= 0.0056s^2 + 0.14s models the relationship between the stopping distance, d, in metres and speed,s in kilometres per hour in driving a car. What is the fastest you can drive and still be able to stop within 60m?
+37146 OK...STOP re-posting this question with slight changes !!
See here for solution:
https://web2.0calc.com/questions/applying-the-quadratic-formula-to-a-word-problem
Geez !
