In the figure, AHGF is the image of AABC after a series of transformations.
A
H
84
14
72
12
F
G
8
C
B
48
Which sequence maps A ABC onto AHGF?
a translation to the right then a dilation with a scale factor of 6
a translation to the right then a dilation with a scale factor of
a reflection across a vertical line then a dilation with a scale factor of 6
O a reflection across a vertical line then a dilation with a scale factor of 6