Odd and even function

  • Thread starter haoku
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Main Question or Discussion Point

f(x) is an even function if f(-x) = f(x) for any x in the domain of f.
Now I say that f(x) = x^2 is defined on [-5,10]. Can I say f(x) is an even function?
 

Answers and Replies

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Last edited:
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No, you can't.
An odd or even function must be defined on a symmetric domain.
But [-5,10] is not symmetric.
 
HallsofIvy
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Is f(8)= f(-8)?
 

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