How to Graph a Rational Function?

Answer A rational function is an equation that takes the form y = N(x)/D(x) where N and D are polynomials. Attempting to sketch an accurate graph of one by hand can be a comprehensive review of many of th... Read More »

Top Q&A For: How to Graph a Rational Function

How to Graph a Rational Function without a Calculator?

Graphing calculators make it much easier to graph equations, but mathematicians were graphing functions centuries before these handy tools were invented -- and you can do without them, too. While g... Read More »

How to Graph Rational Polynomials?

Polynomials in school algebra usually have exponential terms. This means that there will be an "x^2, "3x^3," or similar term somewhere in the formula. The polynomials that you graph are usually giv... 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 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 »