Divide one polynomial by another, and what do you get? A rational function! We'll analyze the family of rational functions, and we'll see some examples of how they can be useful in …

We'll learn how to simplify, multiply, and divide rational expressions, as well as add and subtract them—whether they're factored or not. We'll also dive into understanding the graphs of rational …

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What are rational functions? How do we plot them? What is their domain and range? Let's find out. We break down the definition of the function given in set-builder form and plot the graph …

Practice Rational functions: zeros, asymptotes, and undefined points Get 3 of 4 questions to level up! Practice Not started

Rational functions can be used in a variety of ways to model real-world situations. For example, we can use a rational function to model the speed of a car that's braking, or the amount of a …

So I have a homework question telling me to graph the rational function y=1/x and explain what is useful to see on the calculator and what is challenging. I knew what is useful and said how you …

Learn what rational expressions are and about the values for which they are undefined.

A rational expression is a ratio of two polynomials. The domain of a rational expression includes all real numbers except those that make its denominator equal to zero.

The Precalculus course covers complex numbers; composite functions; trigonometric functions; vectors; matrices; conic sections; and probability and combinatorics. It also has two optional …