Which of the following sequences of transformations is used to obtain figure A'B'C'D from figure ABCD? (1 point)
1) Reflection about the x-axis followed by a translation to the right by 2 units
2) Reflection about the y-axis followed by a translation to the left by 2 units
3)
Counterclockwise rotation by 90 degrees about the origin followed by a
translation to the right by 2 units
4)
Counterclockwise rotation by 90 degrees about the origin followed by a
translation to the left by 2 units