 <translate> Question: If f(x)=1/x and x is a natural number, what CANNOT be the answer for f(f(x))?
Options:
(A) 1/7
(B) 3
(C) 12/3
(D) 6/6
(E) 1 Let's think first. Some random reasoning: <yor> Ìbéèrè: Bí f (((x) =1/x àti x bá jẹ́ nọ́ńbà àbínibí, kí ni ìdáhùn fún f (((f (((x))? Àwọn àyè: (A) 1/7 (B) 3 (C) 12/3 (D) 6/6 (E) 1 Ẹ jẹ́ ká kọ́kọ́ ronú. Àwọn èròǹgbà tí kò bófin mu: 