Operations on functions, classification of total functions, cardinality, set membership, logarithms, exponentiation.
Functions
Textbook 20 pages
Functions, operations on functions, classification of total functions, cardinality, set membership.
Lecture notes
Logarithms, exponentiation.
Screencast on functions (Trevor)
Screencast 15 minutes TrevTutor
Screencast on injective, surjective, and bijective functions (Trevor)
Screencast 18 minutes TrevTutor
Injective, surjective, composition, inverse (Rosen Section 2.3)
Problems
Solutions