If $A = \{a, b\}$ and $B = \{b, c\}$, which is correct?

Question

Accepted Answer

$P(A) \cup P(B) \subset P(A \cup B)$

Answer

$P(A) \cup P(B) = P(A \cup B)$

Answer

$P(A \cup B) \subset P(A) \cup P(B)$

Answer

$P(A) \cup P(B)$ is empty

If A={a,b}A = \{a, b\}A={a,b} and B={b,c}B = \{b, c\}B={b,c}, which is correct?