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

question 114

Multiple Choice

Let $\begin{aligned}A & = \{ \text { Janet, Jill, Sally, Lucy } \} \\B & = \{ \text { Jill, Lucy, Jennifer } \} \\C & = \{ \text { Joan, Jill, Lucy } \}\end{aligned}$
Find the set $( A \cup B ) \cup C$ .

• A) \(\{ \text { Joan, Jill, Lucy\} }\)
• B) \(\{ \text { Janet, Jill, Sally, Lucy, Jennifer, Joan } \}\)
• C) \(\{ \text { Janet, Jill, Sally, Lucy, Jennifer, Sally } \}\)
• D) \(\{ \text { Jill, Lucy } \}\)
• E) \(\varnothing\)

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