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Unformatted text preview: Math 1650 Lecture Notes 2.2 Jason Snyder, PhD. Graphs of Functions Page 1 of 5 2.2: Graphs of Functions Graphing Functions Example 1 Graphing Functions Sketch the graph of the following functions. (a) ? ( ) = 2 (b) ? ( ) = 3 (c) ? = (d) ? =   { , ? : } The Graph of a Function If f is a function with domain A , then the graph of f is the set of ordered pairs In other words, the graph of f is the set of all points ( x , y ) such that y = f(x) ; that is, the graph of f is the graph of the equation y = f(x). Math 1650 Lecture Notes 2.2 Jason Snyder, PhD. Graphs of Functions Page 2 of 5 Getting Information from the Graph of a Function The graph of a function helps us picture the domain and range of the function on the xaxis and yaxis as shown below. Example 2 Finding the Domain and Range from a Graph Below is the graph of the function ? = 4 2 . Find the domain and range of ? ....
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 Spring '06
 UNKNOWN
 Math

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