Rational functions are formed by polynomials, as well as adding, subtracting, multiplying and dividing other rational functions. Graphing them can be a challenge. First, always determine where they are undefined. Second, find out where their
asymptotes, if any. Find out if they approach plus or minus infinity near points where they are undefined. Check out the
in depth section for great information.
Algebra.Com is a people's math website. It relies on people, such
as yourself, who create our content. All solvers and lessons are
submitted by algebra.com's users. They retain copyright to their
content, although they do grant rights to algebra.com.