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