Answer:
The best estimate for the average rate of change is 
Step-by-step explanation:
we know that
the average rate of change using the graph is equal to
In this problem we have
Substitute
A= 1
B= -5
C= 10
In order to figure it out, you can think about it like this..
Answer:
HUH WHAT DOES THIS MEAN?
Step-by-step explanation: