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Math 71 2.2 – Graphs of Functions 1. Graph of a function: the graph of all the function’s ordered pairs 2.

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Presentation on theme: "Math 71 2.2 – Graphs of Functions 1. Graph of a function: the graph of all the function’s ordered pairs 2."— Presentation transcript:

1 Math 71 2.2 – Graphs of Functions 1

2 Graph of a function: the graph of all the function’s ordered pairs 2

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. 3

4 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

5 Ex 1. Which of the following graphs are functions? 5

6 Ex 1. Which of the following graphs are functions? 6

7 domain – set of all possible _________­­­______ range – set of all possible _________________ 7 Domain and Range of Functions

8 domain – set of all possible _________­­­______ range – set of all possible _________________ 8 Domain and Range of Functions

9 domain – set of all possible _________­­­______ range – set of all possible _________________ 9 Domain and Range of Functions

10 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 10 Domain and Range of Functions

11 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 11 Domain and Range of Functions

12 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 12 Domain and Range of Functions

13 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 13 Domain and Range of Functions

14 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 14 Domain and Range of Functions

15 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 15 Domain and Range of Functions

16 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 16 Domain and Range of Functions

17 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 17 Domain and Range of Functions

18 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 18 Domain and Range of Functions

19 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________Range __________________________ 19 Domain and Range of Functions

20 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 20 Domain and Range of Functions

21 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 21 Domain and Range of Functions

22 Ex 2. Use the graph of each function to find its domain and range. Domain __________________________ Range __________________________ 22 Domain and Range of Functions

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