Math – Graphs of Functions 1
Graph of a function: the graph of all the function’s ordered pairs 2
To test if a graph is a function we can use the __________________________________. If any vertical line intersects a graph in two or more points, then the graph does not represent a function. 3
To test if a graph is a function we can use the __________________________________. If any vertical line intersects a graph in two or more points, then the graph does not represent a function. 4 vertical line test
Ex 1. Which of the following graphs are functions? 5
Ex 1. Which of the following graphs are functions? 6
domain – set of all possible _______________ range – set of all possible _________________ 7 Domain and Range of Functions
domain – set of all possible _______________ range – set of all possible _________________ 8 Domain and Range of Functions
domain – set of all possible _______________ range – set of all possible _________________ 9 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 10 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 11 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 12 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 13 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 14 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 15 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 16 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 17 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 18 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 19 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 20 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 21 Domain and Range of Functions
Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 22 Domain and Range of Functions