Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 6x - 4
A. (3, 5) ; x = 3
B. (6, -4) ; x = 6
C. (-3, -13) ; x = -3
D. (-3, -31) ; x = -3
Answer: A
Mathematics
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?
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?
A. 
B. ?
C. ?
D. ?
E. ?
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