Given f(x) = 4x2 – 4x + 1 and g(x) = 2x – 1, which of the following are expression(s) for f · g? Select all that apply.
A. 6x3 + 6x2 – 6x + 1
B. (2x – 1)3
C. 8x3 – 12x2 + 6x – 1
D. 4x2 – 2x