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26:18
YouTube
Math and Science
Functions Explained: Why They're CENTRAL to All Math
Get more lessons like this at http://www.MathTutorDVD.com. Here you will learn what a function is in math, the definition of a function, and why they are important. Functions have applications in algebra, calculus, science, and engineering. We first begin by describing a function as a mathematical machine that takes input numbers "x" and ...
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