Question

The table represents the height of a ball thrown up from the roof of a building, h(t), in meters, t seconds after it is thrown upward.

Which statements are true? Check all that apply.
The ball is at the same height as the building between 8 and 10 seconds after it is thrown.The height of the ball decreases and then increases.The ball reaches its maximum height about 4 seconds after it is thrownThe ball hits the ground between 8 and 10 seconds after it is thrown.The height of the building is 81.6 meters.

Answer 1

* First is correct - the height crosses the 0 point between 8 and 10 secs

* Third is correct - 81.6 m is max at 4 secs

all others incorrect