They are the same I am pretty sure
On a distance time graph, a horizontal straight line corresponds to motion at zero speed constant speed increasing speed decreasing speed.
we have


Let

I proceed to solve the system of inequalities and graph the points to determine the solution.
using a graph tool
see the attached figure
The solution is the shaded area and the only point in the shaded area is point B
therefore
<u>the answer is</u>

Answer:
-2
Step-by-step explanation: