9. (5 pts) True-False: which of the following are true? a. 2 {1,2,3} b. {2} {1,2,3} c. 2 {1,2,3} d. {2} {1,2,3} e. {2} {{1},{2}} f. {2} {{1},{2}} 10. (5 pts) If Z represents all integers, and Z+ represents the positive integers, then let A = Z+, B = {n Z|0 n 100}, and C = {100,200,300,400,500}. Which of the following are true? a. C B b. C is a proper subset of A c. C and B have at least one element in common d. B A e. C C 11. (5 pts) Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: A B 12. (5 pts) Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: b. A B 13. (5 pts) Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: AC 14. (5 pts) List all of the subsets of set S = {0, 1, 2} 15. (5 pts) Give an example of an infinite set, using set roster notation. 16. (5 pts) Given that U = 1,2,3,4,5 and set A = {1,2}, and set B = {3}, find the complement of set B. 17. (5 pts) Given that set C = {all even integers greater than zero and less than 20}, find |C|. 18. (5 pts) Given a set A = {1,2,3} and set B = {1,1,1,2,2,3}. Find: |A| and |B|. 19. (5 pts) (True/False) Given a set A = {1,2,3} and set B = {1,1,1,2,2,3}: set A set B. 20. (5 pts) Given a set N = {1,2,3,4}. Find P(S).