Respuesta :

The rule is , as x increases by 1 , y decreases by 2

if x = 0 , y = 5
if x = 1 , y = 3
if x = 2 , y = 1

And if x decreases by one , y increases by two

if x=0 , y = 5
if x = -1 , y = 7

Hope it helps