Complete the following membership table by filling in the blanks with 1 or 0 as appropriate.

$A$	$B$	$B - A$	$A \cup B$	$A \cap (B - A)$	$A \cup (B - A)$
1	1
1	0
0	1
0	0

Use the membership table above to answer the following questions.

For each part, check the answer that most completely describes the general situation.

(1) $A - B$
A. $= B - A$
B. $\subseteq B$
C. $= A$
D. $\subseteq A$

(2) $A \cap (B - A)$
A. $= \emptyset$
B. $= A \cap B$
C. $= A$
D. $= B$

(3) $A \cup (B - A)$
A. $= A$
B. $= B$
C. $= A \cup B$
D. $= A \cap B$