According to the rational root theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 – 2x4 + 9x3 – x2 + 12?

a).f(x) = 3x5 – 2x4 – 9x3 + x2 – 12
b).f(x) = 3x6 – 2x5 + 9x4 – x3 + 12x
c).f(x) = 12x5 – 2x4 + 9x3 – x2 + 3
d).f(x) = 12x5 – 8x4 + 36x3 – 4x2 + 48