Write the set in set-builder notation.
-{7}
A) $\{ x \mid x$ is the natural number $7 \}$
B) $\{ x$ is a constant $\}$
C) $\{ x \}$
D) $\{ x \mid x$ is a natural number $\}$

Question

Write the set in set-builder notation.
-{7} 
A) $\{ x \mid x$ is the natural number $7 \}$
B) $\{ x$ is a constant $\}$
C) $\{ x \}$
D) $\{ x \mid x$ is a natural number $\}$

Quizplus · Accepted Answer

The set {7} can be described in set-builder notation as $\{ x \mid x$ is the natural number $7 \}$, which precisely defines the set as containing the single element 7, a natural number.

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