Find the Domain of the Function $$f ( x ) = x ^ { 2 } + 1$$

question 89

Multiple Choice

Find the domain of the function.
- $$f ( x ) = x ^ { 2 } + 1$$

• A) \(( \infty , \infty )\)
• B) \(( \infty , - 1 )\) or \(( - 1 , \infty )\)
• C) \([ - 1 , \infty )\)
• D) \(( - 1 , \infty )\)