The scatter plot shows how the distance traveled by a train is related to the amount of fuel used. Which picture shows a reasonable trend line for this data?

The picture that shows 4 graphs are the possible answers. Thx!

The scatter plot shows how the distance traveled by a train is related to the amount of fuel used Which picture shows a reasonable trend line for this data The class=
The scatter plot shows how the distance traveled by a train is related to the amount of fuel used Which picture shows a reasonable trend line for this data The class=