3 In two or more complete sentences, describe how to determine if the function f(x)=2cos⁡(x) is even by looking at a graph.

College Algebra (MindTap Course List)
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ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
Problem 81E
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23

In two or more complete sentences, describe how to determine if the function f(x)=2cos⁡(x) is even by looking at a graph.

 
 

 

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Given that: f(x)=2cosx

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