Answer:
A. -8
Step-by-step explanation:
The average rate of change can be found with the formula
[f(b) - f(a)]/(b - a) on the interval a to b
Here, a = 3, b = 5, f(a) = -10, and f(b) = -26. Plug in the values and simplify...
[-26 - (-10)]/(5 - 3)
[-26 + 10]/2
-16/2
-8
