Question

Let U = {q, r, s, t, u, v, w, x, y, z}
A = {q, s, u, w, y} B = {q, s, y, z}
C = {v, w, x, y, z}

Determine the following.

(B' ∩ C)' ∪ A

A. {q, s, u, v, w, x, y}

B. {q, s, u, y}

C. {q, r, s, t, u, w, y, z}

D. {q, r, s, t, u, v, w, x, y}

Answer 1

I choose the answer was C. I wanted to know is that right or not.