Find the Union $\{0,4,5,11\} \cup\{\mathrm{a}, \mathrm{b}\}$ A) $\{0,4,5,11, a, b\}$ B) $\varnothing$ C) $\{a, b\}$

Multiple Choice

Find the union.
- $\{0,4,5,11\} \cup\{\mathrm{a}, \mathrm{b}\}$

A) $\{0,4,5,11, a, b\}$
B) $\varnothing$
C) $\{a, b\}$
D) $\{0,4,5,11\}$