Find the Vertex and Axis of Symmetry of the Graph $$f ( x ) = - 2 x ^ { 2 } + 4 x + 1$$

question 114

Multiple Choice

Find the vertex and axis of symmetry of the graph of the function.
- $$f ( x ) = - 2 x ^ { 2 } + 4 x + 1$$

• A)vertex: (-1, -5); x = -1
• B)vertex: (1, 3); x = 1
• C)vertex: (1, 7); x = 1
• D)vertex: (-1, 3); x = -1