Which of these is NOT a function?

(1 point)
Responses

3 and 4 only
3 and 4 only

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

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

1 and 2 only
1 and 2 only

All of them
All of them

3 only

The given options do not provide information about the functions being referred to. Please provide specific functions or more context in order to identify which option is correct.