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.

(A ∪ B)'

Answer 1

A. {r, s, t, u, v, w, x, z}

B. {s, u, w}

C. {t, v, x}

D. {r, t, v, x}

Answer 2

What does " ' " ?

Answer 3

mean? **

Answer 4

Well whatever it means the I think the answer is D. I don't know how to do this stuff so hopefully someone else comes along, but logically D seems like the only possible answer.

Answer 5

Is the question asking what is not contained within either A or B?