Lakeland community college lorain county community college. A function is a rule that takes certain values as inputs and assigns to each input value exactly. Inequalities involving rational functions and applications. A rational function is a function that can be written as the quotient of two polynomial functions.
Answers included on the same page for most exercises. Since then, david has contributed to several other open texts. Finally, there is an appendix at the end of the text with answers to most of the problems in the. In this chapter, youll learn what a rational function is, and youll learn how to sketch the. An investigation of functions 2nd ed david lippman and melonie rasmussen. The xintercept of its graph is at x 2 and it has vertical asymptotes. Guide and the solutions manual and doug shaw at the university of northern iowa for. Mhr 9780070738850 precalculus 12 solutions chapter 9. Together, frustrated by both cost and the style of commercial texts, we began writing precalculus. Chapter 3 polynomial and rational functions this chapter now begins with a section on. Precalculus department of mathematics university of washington. Polynomial functions linear functions and their graphs. Algebra 1 mcgraw hill exponentiation quadratic equation.
Answers brief answers to oddnumbered exercises in each section including the. Premium ebook the premium ebook offers an interactive version of the textbook. Solving applied problems involving rational functions. Find the vertical asymptotes and removable discontinuities of the graph of fxx2. Verify your answers using a graphing calculator, and describe the behavior of.
We would like to show you a description here but the site wont allow us. An investigation of functions is a free, open textbook covering a twoquarter precalculus sequence including trigonometry. The first portion of the book is an investigation of functions, exploring the graphical behavior of, interpretation of, and solutions to problems involving linear. Selection file type icon file name description size revision time user.