 
 <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: <hau> Tambaya: Idan f (x) = 1/x kuma x adadi ne na halitta, menene ba zai iya zama amsar f (x) ba? Zaɓuɓɓuka: (A) 1/7 (B) 3 (C) 12/3 (D) 6/6 (E) 1 Bari mu fara tunani. Wani tunani na bazuwar: 