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:

$\backslash$table$[[$Input$,-1,-1,8,3],[$Output$,-1,3,13,-2]]$

$\backslash$table$[[$Input$,0,0,-2,9],[$Output$,6,7,-2,11]]$

$\backslash$table$[[$Input$,7,-4,-1,-1],[$Output$,3,10,7,0]]$

$\backslash$table$[[$Input$,1,5,-5,0],[$Output$,-1,12,9,12]]$