How to find inverse functions

In this video we discuss what is means to find an inverse function and we also distinguish the difference of when you might have an inverse function vs having an inverse relation.

Remember that the big idea for inverse functions is that you always switch the x and y (as stated in this video). Extending that further, if you do have an inverse function, you also switch the domain and range. Meaning the domain of f(x) is the range of the inverse of f(x) and the range of f(x) is the domain of the inverse of f(x).

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This is part of Topic 2 - Functions of the IB Standard Level (SL) Analysis and Approaches curriculum.

Legal Disclaimer: This video/channel is not affiliated with or sponsored by the International Baccalaureate. It is a channel based on my 10+ years of teaching IB SL Math. While I believe that with the right amount of time, effort and studying strategies, anyone has the potential to earn a 5 on their IB Math exam, individual results may vary.