# How to determine if a function is even or odd

Taught by mrbrianmclogan
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Lesson Summary:

In this lesson, we learn how to determine if a function is even or odd. Even functions are symmetrical with the y-axis, while odd ones are symmetrical with the origin. However, we don't always have a graph to work with, so we need to use algebraic rules. If we plug in negative x and get f of x back, it's even. And if we do f of negative x and get negative f of x, it's odd. By using examples, we can apply these rules to determine if a function is even, odd, or neither.

Lesson Description:

How to determine if a function is even or odd

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