Determine the quadratic function whose graph is given.
Vertex: (1, 9)y-intercept: (0, 8)
A. f(x) = x2 - 4x + 8
B. f(x) = -x2 + 2x + 8
C. f(x) = -x2 + 2x - 8
D. f(x) = -x2 - 4x + 8
Answer: B
Mathematics
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