Which of the following rational functions is graphed below A. F(x)=2/x

(possible answer)

Lisa needs to cut 20 adult's hair then she would have 800$ and 20 children's hair that would give her 200$

1 hour : Adult 40$

2 hour : child  50$

3 hour : Adult 90$

4 hour : child 100$

5 hour : Adult 140$

6 hour : Child 150$

7 hour : Adult 190$

8 hour : child 200$

9 hour : Adult 240$

10 hour : child 250$

11 hour : adult 290$

12 hour : child 300$

13 hour : adult 340$

14 hour : child  350$

15 hour : adult 390$

16 hour : child 400$

17 hour : adult 440$

18 hour : child 450$

19 hour : adult 490$

20 hour : child 500$

21 hour : adult 540$

22 hour : child 550$

23 hour : adult 590$

24 hour : child 600$

25 hour : adult 640$

26 hour : child 650$

27 hour : adult 690$

28 hour : child 700$

29 hour : adult 740$

30 hour : child 750$

31 hour : adult 790$

32 hour : child 800$

33 hour : adult 840$

34 hour : child 850$

35 hour : adult 890$

36 hour : child 900$

37 hour : adult 940$

38 hour : child 950$

39 hour : adult 990$

40 hour : child 1000$