What type of graph is represented by figure 1-1?
A) bar
B)line
C)circle
D)none of the above

Answer:
B) Line.
Explanation:
A line graph is used to visualize the value of something over time. The graph consists of two axes, Horizontal-X and Vertical-Y.
In the graph showed in the question the Horizontal X-axis is the distance in time, in this case in seconds. And the Vertica Y-axis is the distance in meters.
I hope this answer helps you.