(a) Find the set of ordered pairs (x, y) determined by the equation lyl x, where x E (0, 2, 5, 6}. O {(2, 2), (2, -2), (5, 5), (5, -5), (6, 6), (6, -6)} O {(0, 0), (2, 2), (2, -2), (5, 5), (5, -5), (6, 6), (6, -6)} O {(2, 2), (5, 5), (6, 6)} O ((0, 0), (2, 2), (5, 5), (6, 6)} O {(2, 2), (5, 5), (5, -5), (6, 6), (6, -6)} (b) Does the set of ordered pairs define a function? O Yes No

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