Find the indicated set if given the following. (Enter your answer as a set. Enter EMPTY for the empty set.) A = {1, 2, 3, 4, 5, 6, 7} B = {3, 5, 7, 9} C = {7, 8, 9, 10}

Question

(a)    A ∪ B =

 

 

(b)    A ∩ B =

Answer 1

A U B is looking for the set of numbers that belong to EITHER set A or set B. (union)

A n B is looking for the set of numbers that belong to BOTH set A and set B (intersection)