# Functions

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 In this Early Edge video lesson, you'll learn more about Number Families, so you can be successful when you take on high-school Math & Arithmetic. The Princeton Review In this Early Edge video lesson, you'll learn more about Two-Step Equations, so you can be successful when you take on high-school Math & Algebra. The Princeton Review In this video, Salman Khan of Khan Academy shows you how to find the domain of a function. Khan Academy In this video, Salman Khan of Khan Academy explains functions. Part 4 of 4. Khan Academy In this video, Salman Khan of Khan Academy explains functions. Part 3 of 4. Khan Academy Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra. Paul's Online Math Notes Gives a detailed description of different types of symmetry of a function using equations and graphs. Shows the student also through another link how to determine if a function is odd or even. The Math Page Explains how to use the FOIL method of multiplying. Algebrahelp.com Review your math as you progress from one marking period to the next. Edhelper.com Standard form of a parabola and vertex equations Standard form of a parabola