Q. 43 Let f: B → C and g: A → B be two functions and let h = f o g. Given that h is an onto function. Which one of the following is TRUE?
(A) f and g should both be onto functions.
(B) f should be onto but g need not be onto
(C) g should be onto but f need not be onto
(D) both f and g need not be onto
Answer: (B)
Explanation: