Which of these is NOT a function?

(1 point)
Responses

3 only
3 only

2,3, and 4 only
2,3, and 4 only

1 and 2 only
1 and 2 only

1,3, and 4 only
1,3, and 4 only

All of them
All of them

3 and 4 only
3 and 4 only
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To answer this question, we would need the options to determine which of them is NOT a function. However, since the options are not provided, we cannot give a specific answer.