Find the vertex and axis of symmetry of the graph of the function.
-$$f ( x ) = - 4 x ^ { 2 } + 8 x$$
A) $( 1,0 ) ; x = 1$
B) $( - 1,0 ) ; x = - 1$
C) $( - 1,4 ) ; x = - 1$
D) $( 1,4 ) ; x = 1$

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The Answer of Find the vertex and axis of symmetry of the graph of the function.
-$$f ( x ) = - 4 x ^ { 2 } + 8 x$$
A) $( 1,0 ) ; x = 1$
B) $( - 1,0 ) ; x = - 1$
C) $( - 1,4 ) ; x = - 1$
D) $( 1,4 ) ; x = 1$

Find the Vertex and Axis of Symmetry of the Graph f(x)=−4x2+8xf ( x ) = - 4 x ^ { 2 } + 8 xf(x)=−4x2+8x

Find the Vertex and Axis of Symmetry of the Graph $f ( x ) = - 4 x ^ { 2 } + 8 x$