Answer:
answer 1962323
Step-by-step explanation:
Answer:
The rate of change of the function is -5.
Step-by-step explanation:
Given : Function 
To find : What is the average rate of change ?
Solution :
Function 
The rate of change is the first derivative.

Derivate w.r.t. x,

Therefore, The rate of change of the function is -5.
The perimeter is 48 inches if that's what you need to know...