135,835 views
37 votes
37 votes
How do you find out if the inverse of a piece wise function is a function?

User Maximilian Burszley
by
2.9k points

1 Answer

18 votes
18 votes

Answer:

If it is not one-to-one, it does not have an inverse.

Explanation:

If the output has more than 1 input, it cannot possibly be a function, meaning there is no inverse for that function.

User AndrewS
by
3.0k points