Trapezoid E F G H is reflected across line of reflection k to form trapezoid E prime F prime G prime H prime. Trapezoid E prime
F prime G prime H prime is shifted down to E double-prime F double-prime G double-prime H double-prime. Which composition of transformations maps figure EFGH to figure E"F"G"H"?
a reflection across line k followed by a translation down
a translation down followed by a reflection across line k
a 180° rotation about point G followed by a translation to the right
a translation to the right followed by a 180° rotation about point G
A: a horizontal shrink would be caused by cos 3x. B: a vertical stretch would be caused by 3 cos x C: a horizontal stretch would be caused by cos (1/3)x D: a vertical shrink would be caused by 1/3 cos x.
