Question: Let A = {2, 3, 4, 5, 6, 7, 8} and define a relation R on A as follows: for all x, y ? A,

Let A = {2, 3, 4, 5, 6, 7, 8} and define a relation R on A as follows: for all x, y ? A, x R y ? 3|(x ? y)

a. Is 7 R 2? Is 7 R 4? Is 2 R 5? Is 8 R 8?

b. Draw the directed graph of R

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