Question

f A = {2, 4, 6, 8, 10, 12, 14} and B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, what is A B?

{ }

{1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 12, 14}

{2, 4, 6, 8, 10}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14}

Answer 1

what symbol is between A and B

Answer 2

\[\cup\]

Answer 3

what does U mean in this context?

Answer 4

U means union i assume.
so basically add the values in each set to eachother so.
{2, 4, 6, 8, 10, 12, 14,1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
except sort it numerically

Answer 5

thanks