Answer:
2
Step-by-step explanation:
Average Rate of Change: 
Step 1: Define variables
f(b) = 5
f(a) = 3
b = 2
a = 1
Step 2: Plug into formula
(5 - 3)/(2 - 1)
2/1
2
0.00373134328
I think you can round that but I think that's the answer.
Answer:
No, yes, yes, yes, no, no, yes, no, yes, no, no, yes
Step-by-step explanation:
Explanation is in the comments by the way.