Respuesta :

0 is either infinity or undefined (because anything over 0 is terribad)
4 is 6 (because 4/4 is 1, so 1+5 is 6)
8 is 7 (because 8/4 is 2, so 2+5 is 7)
12 is 8 (because 12/4 is 3, so 3+5 is 8)

Hope this helped. :)