Question

Find B D.
B: {−2, −1, 1, 4, 7, 12}
D: {numbers divisible by 3 from 1 to 15}

Answer 1

is it AUB=?

Answer 2

{12}

{−2, −1, 1, 3, 4, 7, 12}

{−2, −1, 1, 3, 4, 6, 7, 9, 12, 15}

{ }

Answer 3

which one

Answer 4

is it U?