The transformation T(x,y)=(2x−1, 2y+3)T(x,y) = (2x - 1,\; 2y + 3)T(x,y)=(2x−1,2y+3) is a dilation by factor 222 centered at which point?
(1,−3)(1, -3)(1,−3)
(−1,3)(-1, 3)(−1,3)
(2,−3)(2, -3)(2,−3)
(1,3)(1, 3)(1,3)