textbook-theory · English
Functions
A three-page introductory mathematics handout covering the concept of real-valued functions and their relevance to mathematical modeling. Topics include the real number system (natural numbers, integers, rationals, irrationals), the definition of a function (domain and range), and four representations of functions: verbal, algebraic/symbolic, numerical table, and graphical. The document concludes with the Vertical Line Test as a method for identifying valid function graphs.
functionsreal numbersmathematical modelingintroductory calculus