Lesson: Finding the Domain of a Few Specific Types of Functions
In this video, we discuss the domain of a few types of specific functions: the domain of a polynomial function, the domain of a rational function, and the domain of a square root function.
If you need some background on functions, check out this video where I introduce all the basic concepts: • Lesson: Intro to Functions
00:00 Intro
0:19 Domain of a polynomial function
1:27 Domain of a rational function
2:14 Examples of finding the domain of a polynomial versus a rational function
5:48 Domain of a square root function
6:18 Why the domain of a square root function does not include imaginary numbers
7:15 Examples of finding the domain of square root functions
Check out my playlist on everything about functions and graphing techniques for functions: • Lesson: Intro to Functions
Go to DivideAndConquerMath.com for more free videos, notes, and other resources to help you with your math classes!
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