Exercise 6.
Write out all functions \(f: \{1,2\} \to \{a,b,c\}\) (in two-line notation).
How many functions are there?
How many are injective?
How many are surjective?
How many are bijective?
Write out all functions \(f: \{1,2\} \to \{a,b,c\}\) (in two-line notation).
How many functions are there?
How many are injective?
How many are surjective?
How many are bijective?