In which of the relations represented by the tables below is the output a function of the input?

Select all correct answers.

Select all that apply:

Input $6207$

Output $7-5147$

Input $-3727$

Output $-141213$

Input $0902$

Output $-2431$

Input $2-212$

Output $1114812$

Input $0-260-3$

Output $5778$