## Precalculus (6th Edition)

$M \cup N = \left\{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13\right\}$
The symbol $\cap$ represents union of sets. The union of sets M and N is the set that contains the combined elements of M and N. Thus, $M \cup N = \left\{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 13\right\}$.