What is a Function?

Topic: Functions

A function is a special relationship between two sets where each input has exactly one output.

 

  • Denoted as:

    f(x)=yf(x) = y

    where x is the input (independent variable), and y is the output (dependent variable).

Functions

Basic Mathematics

 What is a Function? Key Terminologies Function vs. Relation Ways to Represent a Function Types of Functions Linear Functions Evaluating a Function Finding Domain and Range The Vertical Line Test Composite Functions (Intro Concept) Inverse Functions (Intro Concept) Real-Life Examples of Functions Function Table Practice Example Function Notation vs Equation Summary Table