객관식
Given , , , find the following:
(A)
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9. Inequalities and Absolute Value
Set Operations and Compound Inequalities
Multiple Choice
Given , , , find the following:
(C)
A
B
C
검증된 단계별 안내1
Recall that the intersection of two sets, say \(A\) and \(B\), denoted by \(A \cap B\), is the set of all elements that are common to both \(A\) and \(B\).
Identify the sets involved: here, \(C = \left\lbrace 8 \right\rbrace\) and \(\phi\) represents the empty set, which contains no elements.
Since \(\phi\) has no elements, there are no elements that can be common between \(C\) and \(\phi\).
Therefore, the intersection \(C \cap \phi\) is the set containing all elements common to both, which in this case is no elements.
Conclude that \(C \cap \phi = \left\lbrace \right\rbrace\), the empty set.
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