Question: Let A, B, C Z2 where A = {(x, y)|y = 2x + 1}, B = {(x, y)|y = 3x}, and C = {(x,

Let A, B, C ⊂ Z2 where A = {(x, y)|y = 2x + 1}, B =
{(x, y)|y = 3x}, and C = {(x, y)|x - y = 7}.
(a) Determine
(i) A ∩ B
iii) B ∩ C
iii) A ∪ C (iv) B ∪ C
(b) How are the answers for (i)-(iv) affected if A, B, C ⊂ Z+ × Z+?

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