Answer:
It represents that after 8 hours the car is back to the starting position.
Explanation:
The x-intercept is the value of x when y is 0.
According to the question, it is asking for the second x-intercept. The graph shows that the first x-intercept is 0 and the second x-intercept is 8.
In the graph, it shows that after 8 hours the car is back at the starting position.