Determine the Domain and the Range of the Function $f ( x ) = - x ^ { 2 } - 4 x + 5$

question 120

Multiple Choice

Determine the domain and the range of the function.
- $f ( x ) = - x ^ { 2 } - 4 x + 5$

• A) domain: {x|x ≤-2}
• B) domain: all real numbers range: {y|y ≤9} range: {y|y ≤-9}
• C) domain: {x|x ≤-2}.
• D) domain: all real numbers range: {y|y ≤-9} range: {y|y ≤9}

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