Question

which of the following is not a function? a). {(0,1), (1,2),(2,3),(3,4)}. b).{(0,2).(1,3),(4,3),(1,2). c).{(1,3),(4,2),(2,0),(3,4)}. d). {(1,2),(2,2),(3,2),(4,2)}.​

Answer 1

Step-by-step explanation:

a)

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