# Functions

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 In this Early Edge video lesson, you'll learn more about Introduction to Algebra, so you can be successful when you take on high-school Math & Algebra. The Princeton Review In this Early Edge video lesson, you'll learn more about Number Lines and Inequalities, so you can be successful when you take on high-school Math & Arithmetic. The Princeton Review see picture Tutor.com A function is like a machine: it has an input and an output. Math is Fun Using this virtual manipulative you may: * Graph a function * Trace a point along the graph * Dynamically vary function parameters * Change the range of values displayed in the graph * Graph multiple functions * Restrict the domain of a function * Zoom in on a region of the graph National Library of Virtual Manipulatives A step by step tutorial, with detailed solutions, on how to find the domain and range of real valued functions is presented. First the definitions of these two concepts are presented. A table of domain and range of basic functions might be useful to answer the questions below. Domain and Range of a Function Graphing cubic functions. Any function of the form f(x) = x3 is referred to as a cubic function. University of Georgia's, Jim Wilson's