Let $$\begin{array} { l }
A = \{ \text { June, Justine, Solly, Polly } \} \
B = \{ \text { Justine, Polly, Jelly } \} \
C = \{ \text { Ruth, Justine, Polly } \}
\end{array}$$
Find the set $A \cup ( B \cup C )$ .

A) $\{ \text { June, Justine, Solly, Polly, Jelly, Ruth\} }$
B) $\text { \{June, Justine, Solly, Polly, Ruth\} }$
C) $\{ \text { Justine, Polly } \}$
D) $\text { \{Justine, Solly, Polly, Jelly, Ruth\} }$
E) $\varnothing$

Question

Let  $$\begin{array} { l } 
A = \{ \text { June, Justine, Solly, Polly } \} \
B = \{ \text { Justine, Polly, Jelly } \} \
C = \{ \text { Ruth, Justine, Polly } \}
\end{array}$$ 
Find the set $A \cup ( B \cup C )$ .
 
A) $\{ \text { June, Justine, Solly, Polly, Jelly, Ruth\} }$
B)  $\text { \{June, Justine, Solly, Polly, Ruth\} }$
C)   $\{ \text { Justine, Polly } \}$
D)   $\text { \{Justine, Solly, Polly, Jelly, Ruth\} }$
E)   $\varnothing$

Quizplus · Accepted Answer

First, find $B \cup C = \{ \text{Justine, Polly, Jelly, Ruth} \}$. Then, $A \cup (B \cup C) = \{ \text{June, Justine, Solly, Polly, Jelly, Ruth} \}$, which matches option A.

Let Find the Set A∪(B∪C)A \cup ( B \cup C )A∪(B∪C)

Let Find the Set $A \cup ( B \cup C )$