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What is the result when f(x) = 2x2+ 4x – 3 written in the form f(x) = a(x - h)2 + k
A. f(x) = 2(x + 1)2 – 5
B. f(x) = 2(x - 1)2 +5
C. f(x) = 2(x + 1)2 + 5
D. f(x) = 2(x - 1)2 - 5