Let f and g be inverse functions that are differentiable for all x. If f(3)=-2 and g''(-2)=-4, which of the following statements must be false?
I. f''(0)=1/4
II. f''(3)=-1/4
III. f''(5)=-1/4
A I only
(B) II only
(C) III only
(D) I and III only