Domain and Range - How to Find Given a Graph

How to find the Domain and Range given a graph. We discuss what the domain and range represent. We also go through 3 examples and show you how to find them in this free math video tutorial by Mario's Math Tutoring.

0:15 What is the Domain and What is the Range
0:26 How to Find the Domain and Range
0:27 Example 1 Writing the Domain & Range in Inequality Notation and Interval Notation
1:58 Difference Between a Closed Point and an Open Point
2:19 Example 2 Using a Vertical Line to Analyze the Domain
3:37 Example 3 Finding Domain & Range Given the Graph
4:19 Symbol Used for All Real Numbers

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Inequality Notation Vs. Interval Notation
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