Note #1 FUNCTION We will discuss the characteristics of functions and definitions of domain and range. I will decide if a relation is a function or not.

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Note #1 FUNCTION We will discuss the characteristics of functions and definitions of domain and range. I will decide if a relation is a function or not and explain.

Definition Facts/Characteristics ExamplesNon-Examples Word FUNCTION

4 Different Representation of a Function: SET NOTATIONGRAPH TABLE MAPPING

A function is like a vending machine! INPUT OUTPUT

Domain vs. Range Domain Range

#1 Set Notation {(-2,3),(-1, 7),(0,-1),(7,6)} #2 Graph (-2,3) (-1,7) (0,-1) (7,6)

Vertical Line Test (Pencil Test) y x y x