#10

#11
- Last three i.e Option B,C,D
#13
It started from negative ends at positive hence

#14


#15

#16



Answer:
8. the x is always 0
9. (u can graph it, right?) the y is always 0
10. (2,0), (3,1), (4,2), (5,3)
Step-by-step explanation:
So the number of orders in is y=x+2, and going out is y=2x-1. The solution, which is x=3, represents when the number of order in is the same as the number of order out.
Answer:
-1
Step-by-step explanation:
I think