Let \(f : A \to B \) and \(g : B \to A \) be functions such that \(g \circ f = Id_{A}\). How many of the following statements are always true?

- \(f\) is injective.
- \(g\) is injective.
- \(f\) is surjective.
- \(g\) is surjective.
- \(f\) is bijective.
- \(g\) is bijective

×

Problem Loading...

Note Loading...

Set Loading...