question Let f: {0, 1} * -→ {0, 1} * be a function that maps each string u = abc where Ja| = |b| = |c| to a. That is, f (u) = a. %3D %3D Then Find : The domain of f: The codomain of f: The range of f : Is f an injection, surjection,bijection?

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Q: c) Let f: A B and g: B → C be surjective functions. Prove or disprove whether gof is surjective.

A: See the attachment

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