Answer :
To be a function the coordinates has to have a unique value of x so the solution will be all the numbers diferent from: -5, -2, 1 of 5 so:
[tex]x=-4,0,3\text{and}6[/tex]To be a function the coordinates has to have a unique value of x so the solution will be all the numbers diferent from: -5, -2, 1 of 5 so:
[tex]x=-4,0,3\text{and}6[/tex]