Question

time spent running (minutes)

1. what does the y-intercept of the line tell you about the situation?
2. justine finished the race in 40 minutes.

when justine started the race, she was 10 kilometers from the finish line.
after running for 20 minutes, justine was 6 kilometers from the finish line.
justine ran 4 kilometers every 20 minutes.

Explanation:

The y-intercept of a linear function represents the value of the dependent variable (distance from finish line) when the independent variable (time spent running) is 0, which is the start of the race.

Answer:

When Justine started the race, she was 10 kilometers from the finish line.