Question

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Answer 1

The image of the point (x, y) by R (90, O) is (-y, x)

Point R = (1, -1), then

Point R' = (1, 1)

Point S = (4, 1), then

Point S' = (-1, 4)

Point T = (4, -3), then

Point T' = (3, 4)

The answer is D