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$,-2,6,8,-1],[$Output$,10,12,10,-2]]$

$\backslash$table$[[$Input$,-5,4,4,2],[$Output$,-3,4,1,-1]]$

$\backslash$table$[[$Input$,3,7,0,4],[$Output$,11,6,11,3]]$

$\backslash$table$[[$Input$,7,9,3,3],[$Output$,11,-1,5,1]]$