Determine the Domain and the Range of the Function $$f ( x ) = x ^ { 2 } + 8 x + 7$$

question 201

Multiple Choice

Determine the domain and the range of the function.
- $$f ( x ) = x ^ { 2 } + 8 x + 7$$

• A) domain: range: \(\{ x \mid x \geq 4 \}\)
• range: \(\{ y \mid y \geq 9 \}\)
• B) domain: range: \(\{ x \mid x \geq 4 \}\)
• range: \(\{ y \mid y \geq - 9 \}\)
• C) domain: all real numbers
• range: \(\{ y \mid y \geq - 9 \}\)
• D) domain: all real numbers
• range: \(\{ \mathrm { y } \mid \mathrm { y } \geq 9 \}\)

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