The function h = -6(t - 2.5)^2 + 38.5 gives the height, h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. What as the maximum height of the ball?

Question

a) -6
b 2.5
c) 38.5
d) 0

Answer 1

h = -6(t - 2.5)^2 + 38.5

plug in a few values for t
when t = 1, h = 25
when t = 2, h = 37
when t = 2.5, h = 38
when t = 3, h = 37

you try, what do you think the answer is

Answer 2

38.5

Answer 3

38.5