I know it's possible for the domain and range in a function to have different numbers of entries (for example, 3 domain entries to 5 range entries, or 2 range entries to 7 domain entries), but what happens when this is the case?

Question

I know it's  possible for the domain and range in a function to have different numbers of entries (for example, 3 domain entries to 5 range entries, or 2 range entries to 7 domain entries), but what happens when this is the case?

mertsj · Answer

It would not be possible to have 3 domain entries to 5 range entries because then a domain entry would have to be repeated and it wouldn't be a function.

anonymous · Answer

so then it would be a relation?