Identify the set of numbers that makes up the domain in the relation {(-2, -2), (0, 2), (2, 4), (3, -6)}. -6, -2, 2, 4 -6, -2, 0, 2, 3, 4 -2, 0, 3, 4 -2, 0, 2, 3

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .