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Help The inverse of a function is a function.
always
sometimes
never

2 Answers

3 votes
Sometimes a function:
The inverse function of y=x^2 is y=+/-sqrt(x), because remember the negative square of something is the same as the positive square of it.
y=+/-sqrt(x) fails the Vertical line test.
Inverses are only one to one if the original function is a bijection
User Scoup
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5 votes

The answer is sometimes

User Jsj
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