Consider the sets below. U = {x| x is a real number} A = (x x is an odd integer} R = {x | x = 3, 7, 11, 27) IsRC A? • yes, because all the elements gf set A are in set R O yes, because all the elements of set R are in set A • no, because each element in set A is not represented in set R • no, because each element in set R is not represented in set A