Q43

MCQ2 marks, −0.5

Let $f: B \to C$ and $g: A \to B$ 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 to be onto

(C)

$g$ should be onto but $f$ need not be onto

(D)

both $f$ and $g$ need not be onto

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