Find the Vertex and Axis of Symmetry of the Graph $$f ( x ) = x ^ { 2 } + 6 x$$

question 76

Multiple Choice

Find the vertex and axis of symmetry of the graph of the function.
- $$f ( x ) = x ^ { 2 } + 6 x$$

• A) \(( 3 , - 9 ) ; x = 3\)
• B) \(( 9 , - 3 ) ; x = 9\)
• C) \(( - 9,3 ) ; x = - 9\)
• D) \(( - 3 , - 9 ) ; x = - 3\)

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