This algebra video tutorial explains how to find the domain of a radical function using interval notation and number lines. It explains when you should use brackets vs parentheses. This video contains plenty of examples and practice problems on finding the domain of square root functions.
Domain and Range Formula Sheet:
https://bit.ly/4eheN2W
Radicals - Free Formula Sheet:
https://bit.ly/48lpFLt
Functions and Graphs Practice Test:
https://www.youtube.com/watch?v=kvU9sOzT2mk
Transformations of Functions:
https://www.youtube.com/watch?v=Tmdrjs9xufc
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How To Find the Range of a Function:
https://www.youtube.com/watch?v=Si2vmzUWfJE
Domain and Range - More Examples:
https://www.youtube.com/watch?v=KyOQhC8ctxc
Domain and Range from a Graph:
https://www.youtube.com/watch?v=KirGQOwjBVI
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Domain and Range - Radical Functions:
https://www.youtube.com/watch?v=VM3iMj0BwLE
Domain of Logarithmic Functions:
https://www.youtube.com/watch?v=WfgYJy035k0
Domain and Range - Piecewise Functions:
https://www.youtube.com/watch?v=0ZoSxPg6JSQ
Domain and Range - Inverse Functions:
https://www.youtube.com/watch?v=wP4JjdFbCkY
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SAT Math Test Prep:
https://www.youtube.com/watch?v=fTGuTEQCsZY
ACT Math Test Prep:
https://www.youtube.com/watch?v=SsA7rZ8kczM
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Math & Science Videos:
https://www.patreon.com/mathsciencetutor/collections