A. Direction: Read each question carefully Write the letter which corresponds to the correct answer on the space before each number
1. Which of the following sets of ordered pairs defines a relation?
A. {(3,2).(-3,6), (3,-2).(-3, 6)) B. {(1,2). (2,6).(3-2)4-5)) C. {(2,2), (2,3). (2,4), (2, -9)} D. all of the above
2. Suppose the bicycle rental at the Luneta Park is worth P10 per hour Your brother would like to rent a bicycle for amusement How much will your brother have to pay if he would like to rent a bicycle for 1 hour? 2 hours? 3 hours? Express the answers as ordered pairs in the form (time amount).
A. (1,10). (2, 20),(3, 30) B. (10.1). (20,2). (30,3) C. (1,10), (2,10), (3,10) D. both A and B
3. Consider the relation represented by the mapping diagram on the right. Represent the relation as a set of ordered pairs
A (4, House A), (7, House B). (9, House C)
B. 14, House A),(4, House D). (7, House C). (9. House B)
C. (4, House A), (4, House D). (7, House B). (9, House C)
D. (House A, 4). (House D, 4). (House B, 7). (House C, 9)
5. Express the relation presented in the table below as a set of ordered pairs.
A. {(3,27).(5,83), (7,140). (9,197)} B. {(27,3), (83,5), (140,7).(197,9)} c. {(3,197). (5,140). (7,83), (9,27)} D. {(27,9). (83,7). (140,5),(197,3)}
6. Which of the following sets of ordered pairs defines a relation?
A {(1,3), (2,3).(3,3), (4,3)} B. {{0,2).(0,3),(4,4). (0,5)} C. 610),(6-5,6,4).(7,3) D. all of the above
7. Suppose you want to call your friend by phone. The charge of a payphone call is P5 for the first 3 minutes and an additional charge of P3 for every additional minute or a fraction of it . How much will you have to pay of you have called your friend for 1 minute? 2 minutes? 3 minutes? 4 minutes? 5 minutes? Express the answers as ordered pairs in the form (time, amount)
A. (1,3).(2,6). (3,9), (4,12). (5,15) B.(1,5). (2,5), (3,5). (4,8). (5,11) C (5,1).(5,2), (5,3). (8,4), (11.5) D. (3,1).(6,2). (9,3). (12,4). (155)
8. Consider the relation represented by the mapping diagram below. Represent the relation as a set of ordered pairs
A (3-9), (2-9). (7.-9) B. {(-93).(-9,2).(-9,-7) C.{3,2), (-7,-9)) D. {(2,3), (-9,-7) 06
