Basic purpose of this article is to Discuss on Combining and Composing Functions. This article briefly explain on Arithmetic combinations and composition of functions. You are able to create new functions by combining existing functions. Generally, these new functions are the effect of something as simple since addition or subtraction, but functions are capable of combining in ways in addition to those simple binary operations. Arithmetic combinations consider the easiest way to make a new function from existing functions: performing basic math operations. The composition of functions is the process of plugging one function into another is termed the composition of operates.