A tennis ball is rolled off the edge of the roof of a building. Sean times how long it takes the ball to reach the ground and writes the function h(t), that gives the height of the tennis ball in feet where t is the number of seconds since the ball cleared the edge of the roof. h(tt) = −16tt2 + 256 For parts a-c, show your work. Write your final answers in the shaded boxes. a. How many feet above the ground is the ball after 2 seconds? Show your work. b. How tall is the building at the edge of the roof? Show your work. c. C. After how many seconds does the tennis ball hit the ground? Show your work.