Answer:
8 ft or 4 ft
Step-by-step explanation:
I`m not sure but I think it might be 8 ft
Answer:
4,1
Step-by-step explanation:
Answer:
Average rate of change 
Step-by-step explanation:
Given function is
and we need to find average rate of change of the function from
.
Average rate of change 
So,

Average rate of change

Hence, average rate of change of the function
over the intervel
is
.