B-sum of cubes is the answer
Step-by-step explanation:
I hope this helps
So, we first have to find the two values at the end points of the interval:\
Then, from 2 to 8 there are 9 numbers, so to find the average rate of change we can subtract 104 from 14 and divide it by 9:
Our average rate of change is 10.
1.5 is the answer for the question <span />
(5x2)x3...............................