Relations and Functions | Algebra

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This Algebra video tutorial provides a basic introduction into relations and functions. It explains how to write the domain and range of a relation and how to determine if the relation is a function. It also explains how to draw a mapping diagram of the relation as well as a function table. Finally, this video explains how to use the vertical line test to determine if the relation represented by a graph is a function.

Introduction to Functions:
Evaluating Functions:
Function Operations:
Increasing and Decreasing Functions:
Relative Maximum & Minimum Values:
Relations and Functions:
Domain and Range From a Graph:
How To Find The Domain of a Function:
Average Rate of Change of a Function:
The Difference Quotient of a Function:
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Evaluating Piecewise Functions:
Graphing Piecewise Functions:
Composite Functions:
How To Evaluate Composite Functions:
Composite Functions - Data Table:
Comp. of 3 Functions - Data Table:
Decomposing Functions:
Introduction to Inverse Functions:
How To Find The Inverse of a Function:
Verifying Inverse Functions:
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Horizontal Line Test - 1 to 1 Functions:
Vertical Line Test:
Graphing Inverse Functions:
Composite and Inverse Functions:
Even and Odd Functions:
Transformations of Functions:
Linear Functions:
The Weird Graph of Y = X^X:
Functions and Graphs - Problems:
Functions - Test Review:
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Logarithms Practice Problems:
Writing Equations of Ellipses:
Hyperbolas - Conic Sections:
Arithmetic Sequences:
Geometric Sequences:
Intro to Probability:
Intro to Statistics:
SAT Math Test Prep:
ACT Math Test Prep:
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Algebra For Beginners:
Algebra 2 Introduction:
Algebra 1 Review Study Guide:
Algebra Final Exam Review:
Pre-Calculus Final Exam Review:
Full Length Exam Videos + Worksheets: