Exercise 10.
Let \(A = \{x \in \N \st 3 \le x \le 13\}\text{,}\) \(B = \{x \in \N \st x \mbox{ is even} \}\text{,}\) and \(C = \{x \in \N \st x \mbox{ is odd} \}\text{.}\)
Find \(A \cap B\text{.}\)
Find \(A \cup B\text{.}\)
Find \(B \cap C\text{.}\)
Find \(B \cup C\text{.}\)