What is the rule for the transformation above?
A. (x' , y') = (2x , 3y)
B. (x' , y') = (x + 1 , y - 3)
C. (x' , y') = (2x - 1 , 3y + 3)
D. (x' , y') = (2x + 1 , 3y - 3)