Question: Assume x and y take integer inputs. Consider the binary relation: x ~ y ( x + 2 y ) is divisible by 3 .

Assume x and y take integer inputs. Consider the binary relation:
x ~ y (x+2y) is divisible by 3.
A: Is it reflexive?
B: Is it symmetric?
C: Is it transitive?
Explain your answer briefly for each case. (No points for guessing correctly, i.e., no points without correct explanation.)

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