Answer:
12
Step-by-step explanation:
The average rate of change of a function is the slope because
let 

so we just need to calculate the slope of the function over the interval [3, 5]

V = whl
66 = 2.2 x 5 x w
66 = 11w
w = 66/11
w = 6
answer: width = 6 ft
0.125 sorry if I’m wrong :(
Answer:
-1
2
7
Step-by-step explanation:
4 - 5 = -1
7 - 5 = 2
12 - 5 = 7