Find n(A)for the set.
-$A = \{ 3,3,4,4 , \ldots , 7,7 \}$
A) $n ( A ) = 6$
B) $n ( A ) = 5$
C) $n ( A ) = 3$
D) $n ( A ) = 10$

Name: Find n(A)for the set. -$A = \{ 3,3,4,4 , \ldots , 7,7 \}$ A) $n ( A ) = 6$ B) $n ( A ) = 5$ C) $n ( A ) = 3$ D) $n ( A ) = 10$
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Question

Quizplus · Accepted Answer

The set A includes the numbers 3 through 7, each appearing twice. However, in set notation, duplicate elements are not counted more than once. Therefore, the unique elements are 3, 4, 5, 6, and 7, making a total of 5 unique elements.

Find N(A)for the Set A={3,3,4,4,…,7,7}A = \{ 3,3,4,4 , \ldots , 7,7 \}A={3,3,4,4,…,7,7}

Find N(A)for the Set $A = \{ 3,3,4,4 , \ldots , 7,7 \}$