Practice problems with Union, Intersection, and Relative Complement for section 2.1
1. Suppose $A = \{\text{#}, \text{&}, \text{=}, \text{?}\}$ and $B = \{\text{!}, \text{#}, \text{+}, \text{=}, \text{@}\}$. Find $A \cup B$.

2. Suppose $Y = \{e, f, n, p, z\}$ and $X = \{e, f, m, n, q\}$. Find $Y \cup X$.

3. Suppose $G = \{0, -7, -4, -1, 6\}$ and $H = \{0, -7, -4\}$. Find $G \cup H$.

4. Suppose $B = \{\text{!}, \text{&}, \text{=}, \text{?}, \text{@}\}$ and $A = \{\text{!}, \text{#}, \text{%}, \text{&}, \text{+}, \text{?}\}$. Find $B \cap A$.

5. Suppose $B = \{d, i, j, o, w\}$ and $A = \{a, f, p, s, v\}$. Find $B \cap A$.

6. Suppose $Z = \{8, -5, 4, -2, 7\}$ and $Q = \{-5, -2, 7\}$. Find $Z \cap Q$.

7. Suppose $S = \{\text{!}, \text{#}, \text{%}, \text{&}, \text{+}\}$ and $T = \{\text{#}, \text{&}, \text{=}\}$. Find $S \backslash T$.

8. Suppose $S = \{b, e, l, m, v\}$ and $T = \{c, i, n, o, z\}$. Find $S \backslash T$.

9. Suppose $S = \{j, o, s\}$ and $T = \{j, m, o, s, z\}$. Find $S \backslash T$.

10. Suppose $S = \{-8, -7, -6, -4, -9\}$ and $T = \{-8, -4, -9\}$. Find $S \backslash T$.