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(Solved): Problem(8b) (2 points) Let f:ST be a function. In general, it is NOT true that f(AB)=f(A)f ...
Problem(8b) (2 points) Let f:S→T be a function. In general, it is NOT true that f(A∩B)=f(A)∩f(B), where A and B are subsets of S. It is only true that f(A∩B)⊆f(A)∩f(B) Find an example that f(A∩B)⊉f(A)∩f(B)