Mathematics, 26.10.2020 07:20, Serenitybella

On a coordinate plane, the pre-image is shifted 2 units to the right and 1 unit up. It is rotated 90 degrees counterclockwise. Which sequence of transformations produced the image?
a counter-clockwise rotation 90° about the origin followed by a translation 2 units to the right and 1 unit up
a translation 2 units to the right and 1 unit up followed by a counter-clockwise rotation 90° about the origin
a clockwise rotation 90° about the origin followed by a reflection across the y-axis
a reflection across the y-axis followed by a clockwise rotation 90° about the origin

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On a coordinate plane, the pre-image is shifted 2 units to the right and 1 unit up. It is rotated 90...