Introduction To Rational Functions

Rational functions are functions that are ratios to one polynomial over another polynomial. In this video we talk more in depth about what a rational function is, how to find discontinuities in rational functions, how to find vertical, horizontal and slant asymptotes of rational functions.

This timeline is meant to help you better understand what rational functions are:
0:00 Introduction.
0:14 What is a Rational Function?
0:35 Review of Polynomials
1:00 Things to look out for in rational functions.
2:27 Holes in rational functions
3:04 Vertical Asymptotes
3:28 Horizontal Asymptotes
5:46 Outro

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This video is part of our Precalculus playlist. Precalculus is typically taught in the 10th grade, however, sometime later. Precalculus courses typically cover algebra and trigonometry. The purpose of taking a Precalculus course is to prepare students with many mathematic fundamentals for future calculus courses.
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