How to prove a bijection?

[Simeon]

How do I prove this function is a bijection?

 

[Deleted member 4993]

How do I prove this function is a bijection?

Please share your work/thoughts about this assignment.

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[Steven G]

This is an interesting function. I hope that the mapping in one direction is clear. As already stated you need to think about how to get the bijection and show us how far you can go.