Question

Let U = {4, 8, 12, 16, 20, 24, 28, 32} and A = {12, 16, 20, 28}. Find a'.
A) = {4, 8, 32}
B) = {4, 8, 24, 32}
C) = ∅
D) = {0}

Answer 1

they are all equal to A'

Answer 2

A' is the set of all numbers that are in set U, but they are NOT in set A

Answer 3

so you start with U = {4, 8, 12, 16, 20, 24, 28, 32}, then erase any numbers you find in set A

Answer 4

oh ok

Answer 5

so 4,8,24,32

Answer 6

good

Answer 7

thank you

Answer 8

you're welcome