Question

If A = {1, 2, 3, 4, 5} and B = {3, 6, 9, 12, 15}, what is A union B?

{1, 2, 3, 4, 5, 6, 9, 12, 15}

{3}

{1, 2, 3, 3, 4, 5, 6, 9, 12, 15}

{ }

Answer 1

union means to put all the stuff into one big kettle

Answer 2

no doubles tho

Answer 3

A union B is often translated as A or B because the element belongs in the union if it is in set A or in set B or in both. Which one is it? I'll wait and help if you are wrong. :})

Answer 4

The first one? {1, 2, 3, 4, 5, 6, 9, 12, 15}

Answer 5

yep; it is not the third because as amistre write no repeats

Answer 6

Thank you!

Answer 7

ab=1,2,3,4,5,6,9,12,15 becuse you have to put them together

Answer 8

ur welcome!