Chuck stone is standing atop a high platform. He fires a rock up into the air with his slingshot. while it is in flight the rocks distance above the ground is a quadratic function of time. 1 second after firing it the rock is 68n meters high at 2 seconds 96 meters and at 3seconds it's 114 meters above the ground. write an equation. What is the highest the rock will be above the ground? how high is the platform which it's thrown? when will it hit the ground?