Directions: Use the set- roaster notation to write the following sets, and determine the number of elements that are in a set. 1. Let A={ 1,2,3 }, B={ 3,1,2 },and C={ 1,1,2,3,3,3 }. What are the...

Directions: Use the set- roaster notation to write the following sets, and determine the number of elements that are in a set. 1. Let A={ 1,2,3 }, B={ 3,1,2 },and C={ 1,1,2,3,3,3 }. What are the elements of A? B? and C? How are A, B and C related? 2. Let A={ w,x,y,z } and B= { a,b }. Find AxB? And BxB?