Question

Find A ∩ (B ∪ C ).

A = {2, 3, 5, 8}
B = {3, 5, 7}
C = {2, 4, 8}

a {2, 8}
b {2, 3, 4, 5, 7, 8}
c {2, 3, 5, 8}

Answer 1

@alivejeremy

Answer 2

Begin by finding B ∪ C.
Which means the "union" of the two finite sets B and C, which means that all the new set defined by B ∪ C will be all the elements that do not repeat.
for example:
M={1,2,4}
N={2,3,5,6}
Then M ∪ N={1,2,3,4,5,6}