Answer: The term "function" was introduced by Gottfried Wilhelm Leibniz (1646-1716) almost fifty years after the publication of Geometry. The idea of a function was further formalized by Leonhard Euler (pronounced "oiler" 1707-1783) who introduced the notation for a function, y = f(x).
They should live following the eightfold path. Otherwise known as the middle way.
Answer: life liberty and property. Thomas Jefferson later wrote it as life liberty and the pursuit of happiness
They are kind of the same religion though. They both believe in reincarnation and if you do good deeds you will have a good after life.