Even function definitions

even function

a function in which f(x)=f(-x)
Found on http://www.chemistry-dictionary.com/definition/even+function.php

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even function

A function f(x) such that f(x) = f(-x) for all x.
Found on http://www.daviddarling.info/encyclopedia/E/even_function.html

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even function

A function f() is even iff f(x)=f(-x). Contexts: real analysis
Found on http://www.econterms.com/glossary.cgi?query=even+function

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Even Function

A function f(x) is called an even function if f(x)=f(-x) for all x.
Found on https://www.encyclo.co.uk/local/20687

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