How to Find the Domain of a Rational Function for Y=1/X?

Answer A rational function is a function that can be written as the ratio of two separate polynomial functions. For most polynomial functions, the domain (that is, areas where the function exists) contain... Read More »

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How to Find Intercepts in a Rational Function?

The intercepts of a function are the values of x when f(x) = 0 and the value of f(x) when x = 0, corresponding to the coordinate values of x and y where the graph of the function crosses the x- and... Read More »

How to Find the Domain of Rational Functions Without a Graph?

Finding the domain of a rational function (a function that has a polynomial in its numerator and a polynomial in its denominator) is a problem that is often found on college entrance examinations.... Read More »

How to Find Vertical Asymptotes of a Rational Function?

Finding the vertical asymptotes is one of the first things you need to do in order to graph a rational function. Read this article to find out how.

How to Find the Domain of a Function of X?

The ability to find the domain of a function, or the x-values for which the function is "defined" and forms a real number, is a crucial skill in Algebra II and beyond. Finding the domain is relativ... Read More »