Is the rank a function of the player name?
Is the player name a function of the rank?

Select the correct answer below:
Rank is a function of player name but player name is NOT a function of rank.
Rank is NOT a function of player name but player name is a function of rank.
Rank is NOT a function of player name AND player name is NOT a function of rank.
Rank is a function of player name AND player name is a function of rank.
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Content attribution

Step 1 ：This question is about the relationship between two variables: rank and player name.

Step 2 ：In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

Step 3 ：If rank is a function of player name, it means that each player name corresponds to exactly one rank. However, multiple player names can have the same rank.

Step 4 ：If player name is a function of rank, it means that each rank corresponds to exactly one player name. However, multiple ranks can have the same player name.

Step 5 ：In a typical ranking system, it's likely that rank is a function of player name (each player has a unique rank), but player name is not a function of rank (multiple players can share the same rank).

Step 6 ：Final Answer: \(\boxed{\text{Rank is a function of player name but player name is NOT a function of rank.}}\)