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Which of the following relations is not a function?

Practice Questions

1 question
Q1
Which of the following relations is not a function?
  1. R = {(1, 2), (2, 3), (3, 4)}
  2. R = {(1, 2), (1, 3)}
  3. R = {(2, 3), (3, 4)}
  4. R = {(4, 5), (5, 6)}

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following relations is not a function?
Solution: R = {(1, 2), (1, 3)} is not a function because the input 1 maps to two different outputs.
Steps: 0

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