Translations move the pre-image horizontally or vertically, but retain its orientation.
Reflections reflect across axes, mirroring the pre-image. Reflections result in a change of orientation.
Dilations stretch or shrink the pre-image by a scale factor; they change the pre-image's size but retain the pre-image's orientation.
Rotations rotate around a center point, but don't change the direction of the shape (its orientation).
Answer:
g. reflections