Which function in vertex form is equivalent to f(x) = x2 + 8 – 16x? A. f(x) = (x – 8)2 – 56B. f(x) = (x – 4)2 + 0C. f(x) = (x + 8)2 – 72D.f(x) = (x + 4)2 – 32

The answer would be (f(x) = (x – 8)2 – 56)