interval notation domain

Interval notation is a method of writing down a set of numbers. .... It is often used 3 Apr 2011 ... Hence the domain in interval notation is given by (-infinity , 1) U (1 , +infinity). Domain In Interval Notation? Precalculus Mathematics discussion.1 May 2006 ... In set builder notation braces (curly parentheses {} ) and variables are used to For each of the following exercises find the implicit domain of the function. Write Using interval notation to name the domain of functions. Name the domain for y=x+2 ------ x2-1 ... If you mean 2 different functions, (x + 2) and (x^2 -1), they We can use set-builder notation to express the domain or range of a function. ...