1. Let A := {1, 3, 4, 5, 7, 8, 9} and let B := {0, 4, 5, 9}. What are the following sets?
2. Assume the universe is the set U := {0, 1, 2, . . . , 9}. Define C := {0, 3, 6, 9}, and let A := {1, 3, 4, 5, 7, 8, 9} and B := {0, 4, 5, 9} as before. What are the following sets?
1. ∼B
2. A ∪ ∼C
3. ∼C − ∼B
4. C − ∼C
5. ∼(C − ∼A)