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An even function cannot have an inverse.

If f(x) = y, then if f is an even function, f(-x) = y.

Then, if g were the inverse function of f, g(y) would be x as well as -x.

But a one-to-many relationship is not a function.

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9y ago

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More answers

The inverse won't be a function, unless you restrict it to a certain range of numbers.

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9y ago
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Q: What is the inverse of an even function?
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