Find the Domain and Range of the Function $$f ( x ) = x ^ { 2 } + 4 x + 1$$

question 16

Multiple Choice

Find the domain and range of the function.
- $$f ( x ) = x ^ { 2 } + 4 x + 1$$

• A) Domain: \([ - 3 , \infty )\); Range: \(( - \infty , 0 ]\)
• B) Domain: \(( - \infty , \infty )\); Range: \([ - 3 , \infty )\)
• C) Domain: \(( - \infty , \infty )\); Range: \([ - 2 , \infty )\)
• D) Domain: \([ - 3 , \infty )\); Range: \(( - \infty , - 2 ]\)

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