Relations and Functions
Relation: Any rule of correspondence between the elements of two sets
Function: A relation that maps each element in one set (called the domain or input values) to exactly one element in another set (called the range or output values)
Unit 1 Day 1: 1.1-1.4
Today
Function Vocab
Connecting Verbal Descriptions and Graphical Representations of Functions
Homework: Function Vocab and Rates of Change Worksheet (on Canvas)
Sometimes the elements of the domain are called the "independent variable" or "input values." We frequently call them 𝑥-values.
Sometimes the elements of the range are called the "dependent variable" or "output values." We frequently call them 𝑦-values.