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Which sequence of translations, rotations, and reflections produces △P’Q’R’ from the pre-image △PQR?

1. a reflection across the y-axis followed by a clockwise rotation 90° about the origin
2. a reflection across the x-axis, followed by a counter-clockwise rotation 90° about the origin, followed by a translation 4 units down and 4 units to the left
3. a counter-clockwise rotation of 90° about the origin followed by a translation 4 units to the right
4. no sequence of translations, rotations, and reflections because the images are not congruent