Please help Lazlo throws a ball that moves according to the function:
h(t) = -4.9+2 + 40t + 1.5, where h(t) is the height in metres and t is the time in seconds.
a) For how long is the ball in the air?
b) How high does the ball go?
c) How long does it take for the ball to reach its maximum height?
d) At what time(s) does the ball reach a height of 10 m?
e) At what time does the ball reach a height of 90 m?
[Application = 3+3 + 2 + 3 + 2 = 13]