Previous Page Next Page Page 21 Question 21 (8 points) Solve the problem. A fireworks mortar is launched straight upward from a platform at an initial velocity of 80 feet per second. The height of the mortar can be modeled by, h(t) = - 16t2+ 80t + 9, where h(t) is the height in feet, and t is the time in seconds. What is the maximum height? O A) 2.5 feet Proctor Hide hes V Toolbar sharing your screen. Stop sharing Hide Window