Jane threw a basketball 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)
2 10
4 15
6 10
8 0


Which of the following is represented by the x-intercept of f(t)?

a. The ball reaches the maximum height in 4 seconds.

b. The ball reaches a maximum height of 15 meters.

c. The ball was thrown from a height of 10 meters.

d. The ball touches the ground after 8 seconds.