Let $\begin{aligned}
A & = \{ \text { June, Jill, Molly, Lucy } \} \
B & = \{ \text { Jill, Lucy, Jane } \} \
C & = \{ \text { Rachel, Jill, Lucy } \}
\end{aligned}$
Find the set $A \cup C$ .

A) $\{ \text { June, Jill, Molly, Lucy, Rachel\} }$
B) $\text { \{June, Jill, Molly, Rachel, Jane\} }$
C) $\{ \text { Jill, Lucy } \}$
D) $\text { \{June, Jill, Lucy, Rachel\} }$
E) $\varnothing$

Question

Let  $\begin{aligned}
A & = \{ \text { June, Jill, Molly, Lucy } \} \
B & = \{ \text { Jill, Lucy, Jane } \} \
C & = \{ \text { Rachel, Jill, Lucy } \}
\end{aligned}$ 
Find the set $A \cup C$ .
 
A) $\{ \text { June, Jill, Molly, Lucy, Rachel\} }$
B)   $\text { \{June, Jill, Molly, Rachel, Jane\} }$
C)  $\{ \text { Jill, Lucy } \}$
D)   $\text { \{June, Jill, Lucy, Rachel\} }$
E)  $\varnothing$

Quizplus · Accepted Answer

The union of sets A and C, denoted as $A \cup C$, includes all elements that are in A, in C, or in both. Therefore, it includes June, Jill, Molly, Lucy from set A and adds Rachel from set C, without duplicates.

Let Find the Set A∪CA \cup CA∪C A) { June, Jill, Molly, Lucy, Rachel} \{ \text { June, Jill, Molly, Lucy, Rachel\} }{ June, Jill, Molly, Lucy, Rachel}

Let Find the Set $A \cup C$

A) $\{ \text { June, Jill, Molly, Lucy, Rachel\} }$