Question

what is even function?

Answer 1

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

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Answer 2

Geometrically speaking, the graph face of an even function is symmetric with respect to the y-axis, meaning that its graph remains unchanged after reflection about the y-axis. Examples of even functions are. | x.
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