(5 pts) Use the set-roster notation to indicate the elements inthe set {n ∈ Z | n is a factor of 9}. 2. (5 pts) True-False: {0}=03. (5 pts) {5} ⊆ {1, 3, 5} 4. (5 pts) {5} ∈ {1, 3, 5} 5. (5 pts){5} ∈ {{1}, {3}, {5}} 6. (5 pts) True-False: Let A = {1,2,3}, B ={3,1,2}, and C = {1,1,2,3,3,3} A ⊆ B 7. (5 pts) True-False: Let A ={1,2,3}, B = {3,1,2}, and C = {1,1,2,3,3,3} A ≠ C 8. (5 pts) Howmany elements are in the set {1, {1}}?
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