This calculus video tutorial provides a basic introduction into the signum function also known as the sign function. Functions - Free Formula Sheet: ______________________________________________________________________________________ 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: ________________________________________________________________________________________ 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: ________________________________________________________________________________________ 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: ________________________________________________________________________________________ Logarithms Practice Problems: Writing Equations of Ellipses: Hyperbolas - Conic Sections: Arithmetic Sequences: Geometric Sequences: Intro to Probability: Intro to Statistics: Trigonometry For Beginners: SAT Math Test Prep: ACT Math Test Prep: ________________________________________________________________________________________ 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: