Respuesta :

gmany

Step-by-step explanation:

The union of sets is the set of all elements in the collection.

[tex]A=\{0,\ 5,\ 10, 15\}\\\\B=\{-4,\ 2,\ 0,\ 7,\ 10\}\\\\A\ \cup\ B=\{-4,\ 0,\ 2,\ 5,\ 7,\ 10,\ 15\}[/tex]