Respuesta :

One unit to the right
∴(x',y') = (x+1 , y)

M (-3,1) ⇒⇒⇒⇒ M' (-2,1)
O (1 ,4) ⇒⇒⇒⇒ O' (2 ,4)
P (3,-1) ⇒⇒⇒⇒ P' (4,-1)

See the attached figure
Ver imagen Matheng
The translation would be:

One unit to the right 
(x',y') = (x+1 , y)

M (-3,1) is to M' (-2,1)
O (1 ,4) is to O' (2 ,4)
P (3,-is to P' (4,-1)