This math video tutorial explains what a function is. It is a special relation where there is exactly one output for every input. This video explains how to evaluate a function and how to determine if a graph represents a function using the vertical line test.
Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html
Access Full-Length Premium Videos: https://bit.ly/41WNmI9
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Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Algebra 1 Review Study Guide: https://www.youtube.com/watch?v=TbJ5gqLRpeM
Algebra Final Exam Review: https://www.youtube.com/watch?v=U0Y8nSmEpNM
Pre-Calculus Final Exam Review: https://www.youtube.com/watch?v=Tj-V6KnwM5w
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Introduction to Functions: https://www.youtube.com/watch?v=DrEXTC6mIO8
Evaluating Functions: https://www.youtube.com/watch?v=HyNie_PYgsY
Function Operations: https://www.youtube.com/watch?v=3gaxVHVI4cI
Increasing and Decreasing Functions: https://www.youtube.com/watch?v=Dyl7jPlJXOM
Relative Maximum and Minimum Values: https://www.youtube.com/watch?v=GaltHJF6WyI
Relations and Functions: https://www.youtube.com/watch?v=wbBY2tTqXDA
Domain and Range From a Graph: https://www.youtube.com/watch?v=KirGQOwjBVI
How To Find The Domain of a Function: https://www.youtube.com/watch?v=djT6-YamHaA
Average Rate of Change of a Function: https://www.youtube.com/watch?v=f_Q0qlwlclQ
The Difference Quotient of a Function: https://www.youtube.com/watch?v=qQgVomi8lCc
Evaluating Piecewise Functions: https://www.youtube.com/watch?v=OYOXMyFKotc
Graphing Piecewise Functions: https://www.youtube.com/watch?v=Uzw9tsGq2Pw
Composite Functions: https://www.youtube.com/watch?v=ZFPkQkURSxk
How To Evaluate Composite Functions: https://www.youtube.com/watch?v=6vQxIG4lJ3w
Evaluating Composite Functions - Data Table: https://www.youtube.com/watch?v=6vQxIG4lJ3w
Composition of 3 Functions With Data Table: https://www.youtube.com/watch?v=Ote1KvW6BXw
Decomposing Functions: https://www.youtube.com/watch?v=NmfaC7etZms
Introduction to Inverse Functions: https://www.youtube.com/watch?v=TN4ybFiuV3k
How To Find The Inverse of a Function: https://www.youtube.com/watch?v=2zeYEx4eTdc
Verifying Inverse Functions: https://www.youtube.com/watch?v=6QamgSPprjA
Horizontal Line Test - One to One Functions: https://www.youtube.com/watch?v=6u9Qh1Vi_Qw
Vertical Line Test: https://www.youtube.com/watch?v=Mxe2lX1htNk
Graphing Inverse Functions: https://www.youtube.com/watch?v=ukEtad_aml4
Composite Functions and Inverse Functions: https://www.youtube.com/watch?v=GEgFmxxOJno
Even and Odd Functions: https://www.youtube.com/watch?v=fKyBOLsqRlo
Transformations of Functions: https://www.youtube.com/watch?v=Tmdrjs9xufc
Linear Functions: https://www.youtube.com/watch?v=BtcKotD6Ni8
The Weird Graph of Y = X^X: https://www.youtube.com/watch?v=Bnp1-Xd-Eo4
Functions and Graphs - Practice Problems: https://www.youtube.com/watch?v=kvU9sOzT2mk
Functions - Test Review: https://www.youtube.com/watch?v=1xATmTI-YY8
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Logarithms Practice Problems: https://www.youtube.com/watch?v=7DVbQKI600k
Writing Equations of Ellipses: https://www.youtube.com/watch?v=OPSCKXXvWiM
Hyperbolas - Conic Sections: https://www.youtube.com/watch?v=Iu-4-fizlD4
Arithmetic Sequences: https://www.youtube.com/watch?v=XZJdyPkCxuE
Geometric Sequences: https://www.youtube.com/watch?v=zRKZ0-kOUZM
Probability - Basic Intro: https://www.youtube.com/watch?v=SkidyDQuupA
Intro to Statistics: https://www.youtube.com/watch?v=XZo4xyJXCak