Question

If P={parents and children at a soccer game} and subset S={children at a soccer game}, what is S'?
a) {friends of children at the soccer game}
b) {children at a soccer game}
c) { }
d) {parents at a soccer game}

If W={positive integers} and subset Z={positive integers divisible by 5}, what is Z'?
a) {1,2,3,4,....}
b) { }
c) {5,10,15,20,.....}
d) {1,2,3,4,6,7,8,9,11,12,13,14,16,....}

Answer 1

1) d

Answer 2

thx

Answer 3

what is # 2???