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Question
Choose the correct alternative:
The relation R defined on a set A = {0, −1, 1, 2} by xRy if |x2 + y2| ≤ 2, then which one of the following is true?
Options
R = {(0, 0), (0, −1), (0, 1), (−1, 0), (−1, 1), (1, 2), (1, 0)}
R−1 = {(0, 0), (0, −1), (0, 1), (−1, 0), (1, 0)}
Domain of R is {0, −1, 1, 2}
Range of R is {0, −1, 1}
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Solution
Range of R is {0, −1, 1}
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