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)} 3 Input 3 5 7 9 Output 27 83 140 197 9 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. {(1,10), (6,-3), 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, hi (11,5) D. (3,1),(6,2), (9,3), (12,4), (15,5) 1 1 х 8. Consider the relation represented by the mapping diagram below. Represent the relation as a set of ordered pairs. у A. {(3,-9), (2,-9), (7,-9) B. {(-9,3), (-9,2).(-9,-7)} C. {(3,2), (-7,-9)} D. {(2,3), (-9,-7)} 3 2
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