Respuesta :

Hello from MrBillDoesMath!

Answer:

A U B = B

Discussion:

A U B = { set of all x in A or B or both}

so

A U B = {1, 2, 3, 4, 5, 6}

or

A U B = B

Note that the values, 1,3,5 (from A) are NOT included twice in the union.

Thank you,

MrB