Real Functions | Domain, Range, Graphs & Types of Functions

In this lecture, we introduce *Real Functions* and explore the essential concepts you need for university mathematics. Topics covered: Sets of Numbers Definition of a Function Domain and Range using Graphs and Algebra Forms of Functions Polynomial, Rational, Irrational, and Absolute Value Functions This lecture is designed for students in Engineering, Computer Science & AI, and Science faculties. *Instructor:* Eng. Nasr Sallam | Math Educator