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$,3,4,5,2],[$Output$,7,14,7,2]]$

$\backslash$table$[[$Input$,1,-3,1,-2],[$Output$,3,7,-4,-3]]$

$\backslash$table$[[$Input$,-1,-4,-5,5],[$Output$,6,6,5,1]]$

$\backslash$table$[[$Input$,7,4,7,5],[$Output$,-5,9,-4,8]]$

$\backslash$table$[[$Input$,4,3,-2,0],[$Output$,6,6,4,12]]$