Respuesta :

ans4
(4,-1) is the solution because of you check ;
when x=4; y>4-5
y>-1

But (-1,-4)
when x=-1
y>-1-5 which is -6, it does not fit the solution.
(-4,1)
when x=-4; y > -4-5
y>-9
it does not fit either.