Question

a cannon ball was launched by a cannon. The function H(t) = -t2 +100t +100 describes the position of the cannonball t seconds after it was launched and the height H is in metres. how long did it take for the cannon ball to reach its maximum height?

Answer 1

Answer : t = 50 s

Step-by-step explanation:

explanation are in the pic above

make me brainlist