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                                    2. f = {(1,1), (2,3), (3,2), (1,3)} is1) an injection 2) a surjection 3)not a function 4)many-one function | 
                            
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Answer»  Step-by-step EXPLANATION: .s. msmsksnjsnj'5=/5,[email PROTECTED](6(>!?nnkdnnsnsndjd fnndndbdn fndndndmmdnfnfnfmdmdmdmm  | 
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