Which transformation maps the pre-image, DEFG, to the image, D'E'F'G'? A.The transformation is a stretch. B.The transformation is a reflection. C.The transformation is a rotation. D.The transformation is a translation.

The answer is letter B. The image shows a relection because it is just the same as the original. Reflection is a transformation that gets the 2nd image just the same as the original. The transformation of DEFG is just the same as D'E'F'G'.