Rewrite the quadratic function in standard form by completing the square.f(x) = x2 - 20x + 99
A. f(x) = (x + 10)2 - 1
B. f(x) = (x - 10)2 - 1
C. f(x) = (x + 10)2 + 1
D. f(x) = (x - 10)2 + 1
Answer: B
Mathematics
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