Football The function defined by h = -5t² + 20t + 2 indicates the approximate height h of a soccer ball. in meters according to
the elapsed time t in seconds, since it was launched. This ball hit the ground before a receiver managed to approach it. How much time has the balloon spent in the air, to the nearest tenth of a second! For how many seconds was he at a height of at least 17 m?
First, you do 18 miles times 3 hours. The answer is 54 The you do 15 miles time 2 hours The answer is 30 You can add them all up and get 84 miles total. (D)
