ΔDOG has coordinates D (3, 2), O (2, −4) and G (−1, −1). A translation maps point D to D' (2, 4). Find the coordinates of O' and G' under this translation.
O' (−1, 1); G' (1, −2)
O' (3, 0); G' (−1, −1)
O' (0, −3); G' (−3, 0)
O' (1, −2); G' (−2, 1)