Your answer would be
B. the estimated average change in y per unit change in x
Answer: 2 + 2 = 4
Step-by-step explanation: Let's say you have 2 cars, and you friend has 2 cars, for your birthday, your friend gives you his 2 cars, so now in total you have 4 cars, hope this helped! -Mason
Did Yu Ever Find The Answer I got the same question??