Question

Jan and Karen classify their music collection as classical or pop, CD or record, and favorites or dusty. Let U, the universal set, be the set of all their recordings, P the set of pop recordings, Q the set of records, and R be the set of favorite recordings. Describe the following set in words.

P ∩ Q

A) the set of all recordings except for the pop records

B) the set of all pop records

C) the set of favorite recordings

D) the set of all pop recordings except for the records

Answer 1

It is B) the set of all pop records. Since Q consists of records and P of pop, the intersection is pop records.

Answer 2

thank you!