Quadrilateral ABCD has been mapped to the image, quadrilateral A′B′C′D′, using the function f, as shown in the graph.
Which answer choice correctly describes the function f?
A. f:(x,y)↦(x+2,y+3)
B. f:(x,y)↦(x−2,y−3)
C. f:(x,y)↦(x−2,y+3)
D. f:(x,y)↦(x+2,y−3)