Find the Domain and the Range of the Relation $\text { Domain: } [ 3 ] \text {; range: } ( - \infty , \infty )$

Multiple Choice

Find the domain and the range of the relation.
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A) $\text { Domain: } [ 3 ] \text {; range: } ( - \infty , \infty )$
B) $\text { Domain: [3]; range: [3] }$
C) $\text { Domain: } ( - \infty , \infty ) \text {; range: } ( - \infty , \infty )$
D) $\text { Domain: } ( - \infty , \infty ) \text {; range: } [ 3 ]$