4. Which relation is not a function? a. ((2,4), (1,2). (0,0), (-1, 2), (-2,4)} b. ((2,4), (1, 1). (0,0). (-1, 1), (-2,4)} 5. Which relation is a function? a. (2,1), (3, 1), (4, 1). (5, 1)} b. (1,2),(1,3), (1,4),.(1,5) 6. Which set is a function? a. (3,4), (3,5), (3,6), (3,7) b. ((1,2), (3,4), (4,3), (2, 1)) c. (2,2), (1, 1), (0,0), (-1,1),(-2,2)) d. ((2,2), (1,1), (0,0), (1,-1), (2,-2)) c. ((2,3), (3,2), (4, 2), (2, 4)} d. (1,6), (2,8), (3, 9), (3,12)} c. ((6,7), (7,8), (8,9), (6, 5)) d. ((0,2), (3,4), (0, 8), (5,6)} P Type here to search 78°F 7:13 P 11/3/20 र

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