1. What is relation? A. It is a special type of function. C. It is the set of all X-coordinates B. It is a set or group of ordered pairs. D. It is the set of all y-coordinates 2. What is function? A. It is a set or group of ordered pairs. C. It is the set of all x-coordinates B. It is the set of all y-coordinates. D. It is a special type of relation. . 3. What kind of relation is {(1, 1),(1, 2),(2, 3),(2,4),(3,5),(3, 6)}? A. One-to-One B. One-to-Many C. Many-to-One D. Many-to-Many 4. What kind of relation is {(0, 1),(-1,4),(-2, 7)}? A. One-to-Many B. Many-to-One C. Many-to-Many D. One-to-One 5. What kind of relation is shown in the table? Х 10 20 30 40 A. One-to-One B. One-to-Many C. Many-to-One D. Many-to-Many 5 у 6 6 7