139715

9780130962027

Elementary Mathematical Modeling Functions and Graphs

Elementary Mathematical Modeling Functions and Graphs
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  • ISBN-13: 9780130962027
  • ISBN: 0130962023
  • Publisher: Prentice Hall PTR

AUTHOR

Davis, Mary Ellen, Edwards, C. Henry

SUMMARY

PREFACE This textbook is for an entry-level college mathematics course at the same academic level as college algebra, but intended for students who are not necessarily preparing for subsequent courses in calculus. Our approach is based on the exploitation of graphing-calculator technology to engage students in concrete modeling applications of mathematics. The mathematical ideas of the course center on functions and their graphs--ranging from linear functions and polynomials to exponential and trigonometric functions--that we hope will seem familiar and friendly to students who complete the course. BRIEF DESCRIPTION Specifically, this textbook presents an introduction to mathematical modeling based on the use of elementary functions to describe and explore real-world data and phenomena. It demonstrates graphical, numerical, symbolic, and verbal approaches to the investigation of data, functions, equations, and models. We emphasize interesting applications of elementary mathematics together with the ability to construct useful mathematical models, to analyze them critically, and to communicate quantitative concepts effectively. In short, this is a textbook for A graphing technology intensive course that is An alternative to the standard college algebra course, and is Solidly based on functions, graphs, and data modeling. RATIONALE FOR A NEW COURSE The content of the traditional college algebra course is defined largely by the paper-and-pencil skills (mainly symbolic manipulation) that are needed by students whose curricula point them towards a subsequent calculus course. However, many of the students in a typical college algebra course are not really headed for calculus or never make it there. For too many of these students, college algebra consists of revisiting the skills and concepts, either mastered or not, which were "covered" in several previous mathematics courses. This experience leaves students with little enhancement of the quantitative skills they most need for their subsequent studies. It is a missed opportunity for them to begin college with a useful mathematics course that is interesting both to students and to instructors, and which offers a solid chance for progress and success. There is wide agreement on the need for an alternative new approach to fill this void. Both the NCTM's Principles and Standards for School Mathematics and AMATYC's Crossroads in Mathematics: Standards for Introductory College Mathematics Before Calculus recommend that mathematics courses teach students to reason mathematically, to model real-world situations, and to make use of appropriate technologies. We offer this as an appropriate textbook for such a course. The evolution of these materials began with a web site that was originally developed (starting in 1996) to support University of Georgia students taking pilot sections of this new course. About two thousand students have now used preliminary versions of the textbook. Many of these students have reacted with enthusiasm belying their typical lack of success in prior mathematical experiences. We hope this apparent success and satisfaction will carry over to the students who use this published textbook. PURPOSE AND OBJECTIVES The primary objective of this new course is the development of the quantitative literacy and savvy that college graduates need to function effectively in society and workplace. The course exploits technology and real-world applications to motivate necessary skill development and the ability to reason and communicate mathematically, to use elementary mathematics to solve applied problems, and to make connections between mathematics and the surrounding world. With a flavor combining functions and graphs with data modeling, the course is based largely on the use of graphing calculator methods in lieu of traditional symbolic manipulations to solveDavis, Mary Ellen is the author of 'Elementary Mathematical Modeling Functions and Graphs' with ISBN 9780130962027 and ISBN 0130962023.

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