Students measured and graphed the speed of a runner during a 5 km race. The runner had
some trouble and needed to stop a few times and walk at other times.
image
Which statement is supported by the graph?
The runner walked between 3 min. and 9 min.
The runner reversed course between 24 min. and 27 min.
The runner was fastest between 24 min. and 27 min.
The runner stopped completely between 3 min, and 9 min.