Give the Domain and Range of the Relation $( - \infty , \infty )$

question 499

Multiple Choice

Give the domain and range of the relation.
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• A) domain: \(( - \infty , \infty )\); range: \(( - \infty , \infty )\)
• B) domain: \(( - \infty , \infty )\); range: \(\{ 1 \}\)
• C) domain: \(\{ 1 \} ;\) range: \(( - \infty , \infty )\)
• D) domain: \(( - \infty , \infty )\); range: \(( - \infty , 1 ) \cup ( 1 , \infty )\)