Question 1187132

Let U = {0,1, 2, 3, 4, 5, 6, 7}
A = {2, 6, 7}
B = {2, 3, 5, 7}, and C = {0, 2, 6}.


Find A ∪ B'

first find B' 

B' is the absolute complement of B, and it is the set of elements in U that are not in B

B' ={0,1,4,6 }

then A ∪ B'= {2,6,7} ∪ {0,1,4,6 }= {0,1,2,4,6,7 }