Question 1141865
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DEFINITION. 



A function f is even if the graph of f is symmetric with respect to the y-axis. 

Algebraically, f is even if and only if f(-x) = f(x) for all x in the domain of f.




A function f is odd if the graph of f is symmetric with respect to the origin. 

Algebraically, f is odd if and only if f(-x) = -f(x) for all x in the domain of f.
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