Question: Question 9 (4 points) Define the sets A = {n'+2:nEZ}, B= {nEZ : 3n}, C= {3k+2 :keZ). Prove that A C BUC

Question 9 (4 points) Define the sets A =
Question 9 (4 points) Define the sets A = {n'+2:nEZ}, B= {nEZ : 3n}, C= {3k+2 :keZ). Prove that A C BUC

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