Because the y value is the time it takes to complete 1 lap.
Answer: 8.69 (read explanation)
Step-by-step explanation:
If the one above it is only 8 and x is slightly better it would make much more sense for it to be 8.69..... try it, it sounds quit accurate.
Method 1: 2:58-2:30
Method 2: 2:30+38
Hope I answered your question!
The graph that looks like this is the correct answer.