Respuesta :
2nd one {(0,-8),(-8,-8),(9,0),(-6,-6)}
why?because the x-values are not repeating & if you see the rest of them they are repeating so B/or the 2nd option is a function :)
why?because the x-values are not repeating & if you see the rest of them they are repeating so B/or the 2nd option is a function :)