Operations on functions, classification of total functions, cardinality, set membership, logarithms, exponentiation.
Functions, operations on functions, classification of total functions, cardinality, set membership.
Screencast on functions (Trevor)
Screencast on injective, surjective, and bijective functions (Trevor)
Homework for sections 2.3 and 2.4
02 Oct 05:45 PM
Injective, surjective, composition, inverse (Rosen Section 2.3)