Please help, never learned this before. Find B union D.
B: {−3, −1, 3, 4, 9, 11}
D: {numbers divisible by 3 from 1 to 15}

{3, 9}

{−3, −1, 3, 4, 9, 11}

{ }

{−3, −1, 3, 4, 6, 9, 11, 12, 15}

Question

Please help, never learned this before. Find B union D.
B: {−3, −1, 3, 4, 9, 11}
D: {numbers divisible by 3 from 1 to 15}

 {3, 9}

 {−3, −1, 3, 4, 9, 11}

 { }

 {−3, −1, 3, 4, 6, 9, 11, 12, 15}

4n1m0s1ty · Answer

Shouldn't this be posted to math?

Anyways the definition of union is basically to combine the two sets so just choose the set with both elements of the two subsets you are combining.

anonymous · Answer

my bad ... i just joined and was in the wrong section