This precalculus video tutorial explains how to find the domain of a square root function. It also contains examples and practice problems showing you how to write the domain of a rational function using interval notation. This video is useful for students taking algebra 2 or college algebra.

Algebra Online Course:

https://www.udemy.com/algebracourse7245/learn/v4/content

Precalculus Video Playlist:

https://www.youtube.com/watch?v=0oF09ATZyvE&t=1s&list=PL0o_zxa4K1BXUHcQIvKx0Y5KdWIw18suz&index=1

Access to Premium Videos:

https://www.patreon.com/MathScienceTutor

Here is a list of topics:

1. Square Root Functions – Domain

2. Domain of Cube Root Functions

3. Writing the Domain of a Rational Function Using Interval Notation

4. Plotting Solutions of a Number Line & Interval Notation

5. Radical Function In Numerator vs Denominator

6. Open vs Closed Circles – Brackets & Parentheses

7. Multiple or Two Square Root Functions – Addition, Subtraction and Division

8. Factoring Quadratic Expressions Inside a Square Root Function

9. Union & Infinity

10. Square Root and Rational Function Combined

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