Answer:
Interval [b,c] and interval [c,d]
Step-by-step explanation:
a(-5,0)
b(-1,2)
c(4,3)
d(11,4)
The average rate of change is the the total rise over the total run.
The Rise means the vertical increase and the Run means horizontal incease.
For interval [a,b]
rate of change is 
For [b,c]

For [c,d]

Heads up: you can use a calculator to find the area. Just search up area calculator and it’ll show up and give you the answer :-) Hope this helps!
Answer: The percent changed because it increased by 180%.
Step-by-step explanation:
Total number of balls = 8 + 14 = 22
P(2nd ball is purple) = 14/22 = 7/11
Answer: 7/11