Khan Academy
Khan Academy: Evaluate Function Expressions
Evaluate expressions that contain function notation, given the functions' graphs.
Khan Academy
Khan Academy: Evaluate Functions
Evaluate functions for specific inputs given the formula of the function. Functions are written using function notation.
Khan Academy
Khan Academy: Function Notation Word Problems
Interpret expressions with function notation in terms of the context that the function models.
Khan Academy
Khan Academy: Determine the Domain of Functions
Determine the domain of a function according to the algebraic limitations of that function.
Khan Academy
Khan Academy: Domain of Advanced Functions
Determine the domain of functions whose expressions are a combination of different types of assignment rules.
Cuemath
Cuemath: Functions
In this mini-lesson, students will learn about the world of functions. They will explore topics such as how to represent a function, conditions for a function, how to solve a function, types of functions, and various graphs of functions....
Other
Nearpod: Functions & Function Notation
In this lesson plan on functions, students explore how to identify and create functions. Then students use functions to solve real-world problems.
Mathematics Archives
Math Archives: Visual Calculus: Rational Functions
An explanation of what comprises the domain of a rational function. The information is brief, but formulas and examples are given along with additional links.
Curated OER
Definition of the Term Function
A thorough introduction to function terminology, including information about domain and range and when an equation represents a function.
Mathematics Archives
Math Archives: Composition of Functions
Site offers a detailed explanation of the compostion of functions
Wolfram Research
Wolfram Math World: One to One Functions
A site from Mathworld.com explaining One-to-One Functions. The site contains a definition and links to related sites.
Windstream
Ojk's Precalculus Study Page: Functions of Two Variables
An introduction to functions with two variables, including several examples relating to linear programming. The tutorial includes graphical examples of the functions and also review questions located at the bottom of the page.
Windstream
Ojk's Precalculus Study Page: Functions Sample Test
A practice test covering the basics of functions, including domain, range, operations, and graphing. Includes an answer page.
Other
Gobierno De Navarra: Familias De Funciones Elementales
Visualize the different kinds of functions with these interactive activities.
Hofstra University
Hofstra University: Applied Calculus: Function Grapher
Students enter functions in standard mathematic notation and the tool creates a graph of the function. Multiple functions can be entered into the learning tool.
Free Math Help
Free Math Help: Functions
Students learn about functions in algebra. The resource includes detailed examples and definitions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Domains
Find a quick, concise explanation of what a domain is. An example is given and clearly explained.
ClassFlow
Class Flow: Functions and Their Graphs
[Free Registration/Login Required] Functions can be specified in a number of ways. Students concentrate on functions given by equations involving independent and dependent variables and begin to recognize the different forms to find the...
ClassFlow
Class Flow: Functions vs. Non Functions
[Free Registration/Login Required] In this lesson students will analyze a relation to determine whether or not it is a function.
Interactive Mathematics
Interactive Mathematics: The Graph of a Function
Several examples are presented to demonstrate the process of graphing functions, including linear, quadratic, and rational functions.