Simple, plug n chug...

t=2
u=-8
v=-0.5
Now, plug in what you have,


Now,
2-16=-14
Thus, your answer, -14.
I took geometry a while ago, I can help if you want.
Answer:
its A
Step-by-step explanation:
How are we supposed to draw a diagram for you? do you want me to explain to you how to answer the question?
9514 1404 393
Answer:
-5/2
Step-by-step explanation:
The average rate of change is the slope of the line between the two points. You can see from the graph that the slope is ...
slope = rise/run = -5/2
The average rate of change on the interval is -5/2.