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Which of the following relations on the set of integers is not a function?

Practice Questions

1 question
Q1
Which of the following relations on the set of integers is not a function?
  1. R1 = {(1, 2), (1, 3)}
  2. R2 = {(2, 3), (3, 4)}
  3. R3 = {(4, 5)}
  4. R4 = {(5, 6), (6, 7)}

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following relations on the set of integers is not a function?
Solution: R1 is not a function because the input 1 maps to two different outputs (2 and 3).
Steps: 0

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