Rational Functions Tutorial

The Graph of a Rational Equation

Rational Functions

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Tutorial

Rational Functions and Their Domains

In this lesson, I'll explain what rational functions are, why they sometimes look weird, and how to figure out what their domains are (i.e., the set of all valid input values -- which is often just "all real numbers")!

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Rational Functions

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Try Our College Algebra Course. For FREE.

Rational Functions and Their Domains