From a mathematical stand point the function of 1/x is known as Gabriel's horn or Torricelli's trumpet. Personally I think it's a good pick. To me it's a living example of paradox.
Also in agreements to Jen, don't insult someones idea for a tattoo. The entire purpose for a tattoo is not just to have ink on your body and go through the experience of the pain, it should be an expression of yourself and have meaning.
what's the tattoo acctuly mean. i dont know anything about mathmatics. and if he wants a tattoo there so be it. i got 2 stars on my cheast for the sake of it and now i regret it cos it dont mean anything to me. if it means something to him then whos to judge.
Also in agreements to Jen, don't insult someones idea for a tattoo. The entire purpose for a tattoo is not just to have ink on your body and go through the experience of the pain, it should be an expression of yourself and have meaning.