Find the Domain and Range of the Function $f ( x ) = - x ^ { 2 } - 12 x - 43$

question 304

Multiple Choice

Find the domain and range of the function.
$f ( x ) = - x ^ { 2 } - 12 x - 43$

• A) \(\text { Domain: } ( - \infty , \infty ) \text {; Range: } ( - \infty , 6 ]\)
• B) \(\text { Domain: } ( - \infty , \infty ) \text {; Range: } [ 7 , \infty )\)
• C) \(\text { Domain: } ( - \infty , \infty ) \text {; Range: } ( - \infty , - 7 ]\)
• D) \(\text { Domain: } ( - \infty , - 7 ] ; \text { Range: } [ 6 , \infty )\)

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