In the figure, triangle PQR has vertices P(0, −1), Q(3, −1) and R(5, −3). What are the vertices of the image after the translation (x, y) → (x − 5, y + 1)?
P′ (1, −6), Q′ (4, −6), R′ (6, −8)
P′ (−5, 0), Q′ (−2, 0), R′ (0, −2)
P′ (5, −2), Q′ (8, −2), R′ (10, −4)
P′ (−1, 4), Q′ (2, 4), R′ (4, 2)