AP EAMCET · Maths · Functions
Let \(f: \mathrm{A} \rightarrow \mathrm{B}\) and \(g: \mathrm{B} \rightarrow \mathrm{C}\) be any two functions and \(g \circ f: \mathrm{A} \rightarrow \mathrm{C}\) is one-one, then
- A \(f\) and \(g\) are both one-one
- B \(f\) is one-one and \(g\) need not be one-one
- C \(g\) is one-one and \(f\) need not be one-one
- D both \(f, g\) need not be one-one
Answer & Solution
Correct Answer
(B) \(f\) is one-one and \(g\) need not be one-one
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