Question

Derek threw a tennis ball up in the air. The following table represents the height f(t), in meters, of the ball above the ground at time t seconds:


Time (t)
(in seconds) Height f(t)
(in meters)
1 15
2 20
3 15
4 0


Which of the following is represented by the x-intercept of f(t)?
a.) The ball touches the ground after 4 seconds.

b.)The ball was thrown from a height of 0 meters.

c.) The ball reaches a maximum height of 20 meters.

d.) The ball reaches the maximum height in 2 seconds.

Answer 1

@Loser66

Answer 2

@KingGeorge

Answer 3

a

Answer 4

thanks :)