Exercise 4

Let $A = \{1,2,3,4,5\}$, $B = \{3,4,5,6,7\}$, and $C = \{2,3,5\}$.

1. Find $A \cap B$.

2. Find $A \cup B$.

3. Find $A \setminus B$.

4. Find $A \cap \overline{(B \cup C)}$.

5. Find $A \times C$.

6. Is $C \subseteq A$? Explain.

7. Is $C \subseteq B$? Explain.