A toy cannon ball is launched on top of a platform. The function h(t) = -5t^2 + 20t + 4 gives the height, in meters, of the ball t after it is launched. Write and solve an inequality to find the times where the ball is more than 12 meters above the ground.

A toy cannon ball is launched on top of a platform The function ht 5t2 20t 4 gives the height in meters of the ball t after it is launched Write and solve an in class=