The rule as a mapping for the translation of a rectangle is (x, y) → (x – 2, y + 7). Which describes this translation?
A
a translation of 2 units down and 7 units to the rightB
a translation of 2 units down and 7 units to the leftC
a translation of 2 units to the right and 7 units upD
a translation of 2 units to the left and 7 units up