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In N, R = {(a, b): a = b - 2, b > 6}. Which pair is in R?
A(2, 4)
B(3, 8)
C(6, 8)
D(8, 7)
Answer & Solution
Correct answer: C. (6, 8)
For (6, 8) we have 6 = 8 - 2 and 8 > 6, while the other pairs break either the difference rule or the condition b > 6.
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