Show all your work for full credit. 1. Let sets A = {1,2,3) and B = {1,2,3). What is the Power Set of AUB? 2. Let sets A -and B 0, ). What is the Power Set of AB? 3. What is the Power Set of set B in Problem #2? 4. Let sets A = {1,2,3} and B = {2,3,4). What is the cardinality of AUB? Show how your answer is derived using the Inclusion- Exclusion Principle. 5. What is the cardinality of the set of integers: Z = ( ,-2,-1,0,1,2, )? Explain fully how you arrived at your