9. Which of these relations are functions? Select all that apply. (4,4), (5, 6), (6, 8), (6, 10), (7, 12) (6, 9), (7., 19), (8, 29), (8, 39), (9, 49) (4, 4), (5, 4), (6, 4), (7, 4), (8, 4) (7,33), (8, 30), (9, 27), (10, 24), (11, 21) (1, 2), (2, 2), (2,-2), (3,-2), (4, -2)
![9 Which of these relations are functions Select all that apply 44 5 6 6 8 6 10 7 12 6 9 7 19 8 29 8 39 9 49 4 4 5 4 6 4 7 4 8 4 733 8 30 9 27 10 24 11 21 1 2 2 class=](https://us-static.z-dn.net/files/d37/14f34feb82cc074e7c456a12cf75a162.jpg)