What does the x-intercept of the graph represent in terms of the football?

a. The x-intercept represents the maximum vertical height that the football reaches.

b . The x-intercept represents the time it took for the football to reach its maximum height.

c. The x-intercept represents the height where the football was when the ball was kicked.

d. The x-intercept represents how far away the football landed from where it started horizontally.