Several factors can be responsible, including: 1  Heredity: If your dad had oily hair, chances are you will, too. 2  Hormonal fluctuations: In adult women, it may come with the menstrual cycle or using birth control pills. 3  Bulking up: Excessive oil is a side effect of using androgenic hormones to increase body mass.
At first glance, a function looks just like a relation. 1  It's a set of ordered pairs such as { (0,1) , (5, 22), (11,9) }. 2  Like a relation, a function has a domain and range made up of the x and y values of ordered pairs.
Generally speaking, a function is a subprogram that can be called by code external (or internal in the case of recursion) to the function. Like the program itself, a function is composed of a sequence of statements called the function body.Values can be passed to a function, and the function can return a value.In JavaScript, functions are first-class objects, i.e. they are objects and can be manipulated and passed around just like any other object. Specifically, they are Function objects.alues can be passed to a function, and the function can return a value. In JavaScript, functions are first-class objects, i.e. they are objects and can be manipulated and passed around just like any other object.