CK-12 Foundation
Ck 12: Algebra: Domain and Range of a Function
[Free Registration/Login may be required to access all resource tools.] Identify the domain and range of a simple linear function
CK-12 Foundation
Ck 12: Algebra: Input Output Tables for Function Rules
[Free Registration/Login may be required to access all resource tools.] Evaluate a function rule by finding outputs for a given input
Other
Quickmath.com: Inequality Graphs
This interactive site will allow you to input anywhere from 1 to 8 inequalities. Once entered, a graph is produced showing the solution. Each graph is shown individually; a final graph shows all on the same coordinate plane.
Math Open Reference
Math Open Reference: Range of a Function
Learn about Range of Function with this reference guide. Detailed explanations and examples are given.
BBC
Bbc: Functions
This resource takes a look at graphs of functions, composite functions, inverse functions and how to use completing the square to solve quadratic functions. A number of examples and a practice test are offered.
Alabama Learning Exchange
Alex: Function Machine
During this instructional activity, eighth grade young scholars will interpret the perimeter of a train of triangles, squares, trapezoids, or hexagons as a function (for each input, there will be exactly one output). Students will...
CK-12 Foundation
Ck 12: Algebra: Graphs of Rational Functions Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand graphs of rational functions. Examples are included.
Shodor Education Foundation
Shodor Interactivate: Vertical Line Test
Learn about the vertical line test for functions by trying to connect points in the plane to build a function. When you have connected all of the points, you will be told if your graph is a valid graph of a function.
Shodor Education Foundation
Shodor Interactivate: Function Flyer
This activity allows the manipulation of the constants and coefficients in any function thereby encouraging the user to explore the effects on the graph of the function by changing those numbers.
Shodor Education Foundation
Shodor Interactivate: Graphit
Create graphs of functions and sets of ordered pairs on the same coordinate plane. This is like a graphing calculator with advanced viewing options.
Shodor Education Foundation
Shodor Interactivate: Function Machine
Students investigate very simple functions by trying to guess the algebraic form from inputs and outputs.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Functions
Get independent practice working with functions. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Curated OER
Graphs: Online Calculator
This resource presents an online calculator which allows you to graph rational functions. Requires Java plug-in.
Math2
Math2.org: Algebraic and Conic Section Graphs
THis resource provides examples and information about Algebraic graphing.
Shodor Education Foundation
Shodor Interactivate: Linear Function Machine
An interactive "machine" allows you to see first hand how a function works. Enter several input values, receive the output values, and determine the algebraic function.
ClassFlow
Class Flow: Three Views of a Function
[Free Registration/Login Required] Using this flipchart, students will graph a function and create a table from a rule and a graph.
Free Math Help
Free Math Help: Functions
Students learn about functions in algebra. The resource includes detailed examples and definitions.
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.
Math Is Fun
Math Is Fun: What Is a Function
The learning resource investigates functions. Students learn about the concept by exploring definitions and examples. Topics include the vertical line test, relations, and ordered pairs.
Richland Community College
Richland Community College: Graphs of Functions
This site from the Richland Community College provides graphs of Functions offers loose definitions of many terms relative to the graphing of functions.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Function Evaluator and Grapher
Students enter functions into the grapher. The resource allows students to compute derivatives, graph derivatives, trace curves, compute function values, and add plotted points.
Oswego City School District
Regents Exam Prep Center: Definition of a Relation and a Function
Very basic definitions of mathematical relations and functions can be found here. The single example provided shows a relation which is not a function and explains what makes it so.
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.