Answer:
E, D, B, A, C
Explanation:
Please report this incomplete question to your teacher. You should not have to put up with this nonsense.
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A. (x, y) ⇒ (3x, y) . . . horizontal stretch by a factor of 3
B. (x, y) ⇒ (x+3, y) . . . translation 3 units right
C. (x, y) ⇒ (x, 3y) . . . vertical stretch by a factor of 3
D. (x, y) ⇒ (x, y+3) . . . translation 3 units up
E. (x, y) ⇒ (3x, 3y) . . . dilation with a scale factor of 3