This text is designed for students in a broad range of career programs that require a solid understanding of basic math, elementary algebra, trigonometry, and geometry. The 2009 Update of this popular text continues a tradition of evolving to reflect today’s work environment and deliver math instruction using the best print and electronic teaching methods and delivery systems available. Powered by CourseCompass (Pearson’s online teaching and learning environment) and MathXL (our online homework, tutorial, and assessment system), MyMathLab provides a rich and flexible set of course materials, featuring free-response exercises that are algorithmically generated for unlimited practice and mastery. Students can use online tools, such as video lectures and a multimedia textbook to independently improve their understanding and performance. MyMathLab also includes student access to the Pearson Math Tutor Center. A MyMathLab access code is packaged with each new copy of this textbook. A new access code can also be purchased online at .