Answer:
The average velocity is 19.44 m/s.
Step-by-step explanation:
The average velocity between two points can be calculated with the following formula:

The procedure is to calculate the difference for both distance and time, and dividing the two differences, we get the average velocity.
Answer:
Yes, the graph is a function.
Vertical line test proves so.
answer:
you just have to shrink it down to 4cm then to 2cm
i wish i could help out more, but i would need to have access to the form
hopefully, this helps anyhow :)
good luck
have a great day !!