An object is launched at 17.2 m/s from a 25-meter tall platform. The equation for the object's height *h* at time* t *seconds after launch is: *h(t)* = -4.9t^2 + 17.2t +25, where *h* is in meters.

a. Graph this equation.

b. When does the object strike the ground?

Whiz333
Apr 21, 2017