8) Gianna is going to throw a ball from the top floor of her school. When she throws the ball from 96 feet above the ground, the function h(t) = –16t2 + 160 +96 models the height, h, of
the ball above the ground as a function of time, t. (part b on the next page)
a) When will the ball hit the ground? Write your answer in complete sentence and make sure
to write the units. (5 points)