Hexagon DEFGHI is translated on the coordinate plane below to create hexagon D′E′F′G′H′I′: Which rule represents the translation of hexagon DEFGHI to hexagon D′E′F′G′H′I′?

a
(x, y) → (x − 9, y − 3)

b
(x, y) → (x − 3, y − 9)

c
(x, y) → (x + 3, y + 3)

d
(x, y) → (x + 9, y + 9)