Which transformation reflects f(x)=(x-1)² over the y-axis?

A) f'(x) = 0.3((x-1)²+1)

B) f'(x) = -3((x-1)²+1)

C) f'(x) = (-4x-1)²+1

D) f'(x) = (0.1x-1)²+1​