Answer:
The value of n determines whether the image is bigger or smaller than the preimage. If 0 < n < 1, the image is smaller than the preimage. If n = 1, the image is the same size as the preimage: the two are congruent. If n > 1, the image is larger than the preimage.
ANSWER FROM EDMENTUM CHANGE WORDS SO YOU DONT GET CAUGHT G.