[Book Cover]

College Algebra, 4/e

Max A. Sobel, Montclair State College
Norbert Lerner, State University of New York, Cortland

Published February, 1995 by Prentice Hall Engineering/Science/Mathematics

Copyright 1995, 590 pp.
ISBN 0-13-311614-X

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Sobel and Lerner provide teachers with a teachable text and students with a readable text that will properly prepare them for future courses, particularly precalculus. The text is designed specifically to ease the transition to precalculus and directly involve the graphing calculator.


speaks to students in a relaxed, motivational, yet precise manner.

  • avoids “theorem-proof” formula, often leading up to important new concepts using plausible arguments or observations, then stating results
  • gently leads students into mathematical processes, resulting in better understanding and a clearer appreciation of mathematics
includes special material devoted to directly supporting topics in precalculus without covering the actual topics themselves.
interweaves a graphical emphasis throughout the text, teaching students the structure of numerous fundamental and important curves.
  • uses translations, reflections, expansions and contractions to make available a wide variety of curves
  • solves various types of equations in conjunction with the graphs of the related functions, leading to a more mature understanding of both the algebra and graphing
NEW—offers optional graphing calculator sections with exercises, sometimes to verify what has been done by hand, other times to produce graphs of more complicated equations, observations and analysis.
contains over 500 display examples that demonstrate and support mathematical developments, offering detailed, fully- developed solutions as models for section exercises.
integrates interesting application examples with full solutions to spark students' interest for the exercise sets that follow.
includes Challenge and Critical Thinking problems at the end of most sections to develop and/or enhance students' critical-thinking skills.
reflects the growing popularity of Writing in Mathematics by including Writing Assignments near the end of most section exercise sets.
constructs a strong pedagogical framework composed of:
  • marginal notes
  • teaching notes
  • caution items
  • Testing Your Understanding sections
  • chapter review exercises
  • two chapter tests after each chapter review exercise set—one requiring worked-out solutions, the other multiple choice

Table of Contents
    1. Fundamentals of Algebra.
    2. Linear and Quadratric Functions with Applications.
    3. Polynomial and Rational Functions.
    4. Circles, Additional Curves, and the Algebra of Functions.
    5. Exponential and Logarithmic Functions.
    6. Linear Systems, Matrices and Determinants.
    7. The Conic Sections.
    8. Sequences and Series.
    9. Permutations, Combinations, Probability.
    Graphing Calculator Appendix.
    Answers to Odd-Numbered Exercises and Chapter Tests.


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