List the elements of the set.
-If $A = \{ 19,21,22,23,26 \}$ and $B = \{ 19,21,22,23 \}$, list the elements of $A \cup B$.
A) $\{ 26 \}$
B) $\{ 19,21,22,23 \}$
C){ }
D) $\{ 19,21,22,23,26 \}$

Question

List the elements of the set.
-If $A = \{ 19,21,22,23,26 \}$ and $B = \{ 19,21,22,23 \}$, list the elements of $A \cup B$.
A) $\{ 26 \}$
B) $\{ 19,21,22,23 \}$
C){   }
D) $\{ 19,21,22,23,26 \}$

Quizplus · Accepted Answer

The union of sets A and B, denoted as $A \cup B$, includes all elements that are in A, in B, or in both. Since A includes 19, 21, 22, 23, 26 and B includes 19, 21, 22, 23, the union $A \cup B$ will include all these elements without repetition, which is $\{ 19,21,22,23,26 \}$.

List the Elements of the Set A={19,21,22,23,26}A = \{ 19,21,22,23,26 \}A={19,21,22,23,26}

List the Elements of the Set $A = \{ 19,21,22,23,26 \}$