Question

What is the intersection of the sets A={3,4,7,9,13} and B={3,7,10,13,17}? A. null set B. {3,7,13} C. {3,4,7,9,10,17} D. {3,4,7,8,10,13,17}

Answer 1

The intersection of the sets is a set with containing all the common elements. From the two sets given above, it can be seen that 3, 7, and 13 can be found from both sets. The intersection is a set with elements 3, 7, and 13. Thus, the answer to this item is letter B.