Wolfram Research
Wolfram Math World: Function
Site offers a definition of a function. This definition may be difficult to grasp if you are not familiar with the mathematical language, however if you carefully read the definition, examples, and go to related links for unfamiliar...
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Domain, Range, Vertical Line Test
A detailed tutorial on functions covering the following topics: finding the domain and range of a function, using the vertical line test, determining whether a function is even, odd, or neither, and applying the greatest integer function...
Texas Education Agency
Texas Gateway: Domain and Range: Function Notation
Given a function in function notation form, identify the domain and range using set notation, interval notation, or a verbal description as appropriate.
Texas Education Agency
Texas Gateway: Domain and Range: Graphs
Given a function in graph form, identify the domain and range using set notation, interval notation, or a verbal description as appropriate.
Texas Education Agency
Texas Gateway: Domain and Range: Numerical Representations
Given a function in the form of a table, mapping diagram, and/or set of ordered pairs, the student will identify the domain and range using set notation, interval notation, or a verbal description as appropriate.
Paul Dawkins
Paul's Online Notes: Algebra: Inverse Functions
Detailed math tutorial features notes and examples that take a look at the process of finding inverse functions. It also defines one-to-one functions.
Paul Dawkins
Paul's Online Notes: Algebra: Graphing Functions
Detailed math tutorial features notes and examples that take a look at graphing functions including several examples of graphing piecewise functions.
Paul Dawkins
Paul's Online Notes: Algebra: The Definition of a Function
Detailed math tutorial features definitions and examples that take a look at relations and functions, function notation, the domain and range of a function, and piecewise functions.
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
Cuemath
Cuemath: Reciprocal Function
Explore the world of reciprocal functions in this mini-lesson. Discusses a definition its domain and range, graphing of the reciprocal function, solved examples on reciprocal functions, and interactive questions.
Cuemath
Cuemath: Domain and Range of a Function
Explore the world of domain and range of a function in this mini-lesson. Learn how to find the domain and range of a graph, trigonometric functions, exponential functions, and domain and range equation. Includes examples and practice...
Cuemath
Cuemath: Range in Algebra
Explore the world of range in Algebra in this mini-lesson. Provides a definition and examples that help with understanding how to find the range of a function and domain. Includes solved examples and interactive questions with answers.
Free Math Help
Free Math Help: Domain and Range
The Algebra session investigates domain and range. Students learn about the concept through definitions and sample exercises with graphs.
Windstream
Ojk's Precalculus Study Page: Functions
An introduction to the basic terminology of functions, including how to use the vertical line test on the graph of a relation as a means of testing whether or not it is a function.
Richland Community College
Richland Community College: Functions
Richland Community College gives a definition and examples of a function. Also includes steps to evaluate piecewise functions on a calculator.
Texas Instruments
Texas Instruments: Interval Notation
This StudyCard stack is a teaching activity on understanding interval notation. It uses functions and function behaviors as the context for needing and using interval notation.
Texas Instruments
Texas Instruments: Symbolic and Graphical Functions
Test your incoming Calculus students' readiness for the course by using this pretest. Students must understand functions both graphically and symbolically.
Texas Instruments
Texas Instruments: Graph of Common Functions 1
This StudyCard stack tests students on their ability to study graphs and write functions that represent the relationship between two variables displayed by the graph.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Introduction to Functions
A good introductory tutorial on functions, through which you'll learn about relations, function, domain, and range by viewing several example questions and solutions, and by completing practice problems.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Graphing Functions by Plotting Points
Learn how to graph a function by plotting points and how to determine the domain and range of a function through sample problems and step-by-step solutions and practice problems for you to complete.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Introduction to Functions
This introductory tutorial on functions offers important definitions, examples of functions, and practice exercises for you to complete and check.
Analyze Math
Analyze Math: Identify Graphs of Functions
Learners examine graphs of algebraic functions. Four graphs are given and students identify the corresponding algebraic function. The activity includes examples with detailed solutions.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Functions
The tutorial explores functions from the numerical, algebraic, and geometric viewpoints. Students learn about the concepts through class notes, examples, and practice problems. Topics include domain and piecewise functions. Quizzes are...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Procedimiento Para Analizar Una Funcion
Use this unit to learn and practice the general procedure for representing curves in the form y=f(x). It provides a more advanced look at polynomial and rational functions with interactive graphs.