A. A dilation by a scale factor of .centered at the origin, followed by a 270° clockwise rotation about the origin B. A dilation by a scale factor of centered at the origin, followed by the translation (x, x+4 M2) C. A dilation by a scale factor of 2, centered at the origin, followed by a reflection over the y-axis D. A dilation by a scale factor of 2, centered at the origin, followed by a 90° clockwise rotation about the origin ​