8. Which of the relation is/are (3) functions? I. {(4113); (7:1); (72); (43)} ll. {(19): (2:6): (3:7): (4:1)} I\". {(290, (49:)r (69:), (8,x)} IV. {(8,11), (8,22), (8,33), (s,44)} a. ll only C. III and IV only b. H and I\" only d. | and IV only 7. Of all the four relations, which is/are manyto-one relation? I. {(4.0). (7,1); (7,2), (4.3)} II. {(19), (2,6), (3,7), (4,1)} \"I. {(2,x), (4,x), (6,x), (8,x)} IV. {(8,11), (8,22), (3,33), (s,44)} a. | only C. \"I only b. IV only cl. | and I\" only 6. Which of the following shows a onetoone relation? I. {(4:0)} (7:1); (72), (43)} II. {(19), (2,6), (3,7), (4,1)} I\". {(290, (4%), (6x), (890} IV. {(311), (3,22), (3,33), (3,44)} 3. | only C. II and I\" only b. H only d. | and IV only