1.The set of element that are in P or in Q or in both P and Q. What set operation is being described in the statement? A. the complement of P
B. the union of P and Q
C. the conplement of Q
D. the intersection of P and Q

refer to the given below:
U={-1,0,1,2,3,4,5,6,7} , A={1,3,4,5,7} , B={0,2,4,6} , C={1,2,3,4,5,6}

2.What is A - c?
A.{ }
B.{7}
C.{1,3,4,5}
D.{0,1,2,3,4,5,6,7}

3.which of the following illustrates the complement of set C?
A.{ 7 }
B.{ -1,7}
C.{-1,0,7}
D.{-1,0,1,7}

4.Which of the following is equal to set G={c, r,e, a,t}
A.{1,2,3,4,5,}
B.{r, a,c, e,s}
C.{t, r,e, e,s}
D.{t, r,a, c,e}