Line segment AB is reflected across the y-axis. The resulting segment, A'B', is translated 7 units left and 2 units down. How is the length of AB affected by the reflection and the translation?
A)
A'B' is twice the length of AB.
B)
A'B' is half the length of AB.
A'B' is the same length as AB.
D)
More information about the coordinates is needed.