Determine the quadratic function whose graph is given.
A. f(x) = -x2 + 6x + 8
B. f(x) = x2 - 6x + 8
C. f(x) = x2 + 6x - 8
D. f(x) = x2 + 6x + 8
Answer: D
Mathematics
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A. 
B. 
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+ 
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C. ?
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