Here is the answer to you question
Just multiply the sum of the numbers then divide
By definition we have that the average rate of change of the function is given by:

Substituting values we have:

Rewriting we have:
Answer:
If x represents time, the average rate of change of the function f(x) in the first two seconds is 25.
Answer:
1/8
Step-by-step explanation:
I looked it up lol