List All Subsets of the Given Set $$\{ 3 \}$$ A) $\varnothing , \{ 3 \}$

Multiple Choice

List all subsets of the given set. Identify any of the subsets that are improper. $$\{ 3 \}$$

A) $\varnothing , \{ 3 \}$ Improper subset: $\{ 3 \}$
B) $\varnothing , \{ 3 \}$ Improper subsets: none
C) $\{ 3 \}$ Improper subset: $\{ 3 \}$
D) $\varnothing , \{ 3 \}$ Improper subsets: $\varnothing , \{ 3 \}$
E) $\{ 3 \}$ Improper subsets: none