ix To the Student Mathematics is an exciting, living study. Its applications shape the world around you and influence your everyday life. We hope that as you read this book you will realize just how important mathematics is and gain an appreciation of both its usefulness and its beauty. We also hope you learn some practical mathematics that you can use every day and that will prepare you for further mathematics courses. The primary purpose of this text is to provide material that you can read, understand, and enjoy. To this end, we have used straightforward language and tried to relate the mathematical concepts to everyday experiences. The concepts, definitions, and formulas that deserve special attention are in boxes or are set in boldface, italics, or color type. We have also provided many detailed examples for you to follow. Be sure to read the chapter summary, work the review exercises, and take the chapter test at the end of each chapter. The answers to the odd-numbered exercises, all review exercises, and all chapter test exercises appear in the answer section in the back of the text. You should, however, use the answers only to check your work. The answers to all Recreational Mathematics exercises are provided either in the Recreational Math boxes themselves or in the back of the book. It is difficult to learn mathematics without becoming involved. To be successful, we suggest that you read the text carefully and work each exercise in each assignment in detail, for it is in doing the math that you really learn and enjoy it. If you are using this text within MyLab Math, you’ll find a wealth of other learning aids available there, including tutorial videos and homework help. We welcome your suggestions and your comments. You may contact us at math@pearson.com. (Please use the subject line “Angel Survey of Math.”) Good luck with your adventure in mathematics! Allen R. Angel Christine D. Abbott Dennis C. Runde
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