Author(s): James Stewart, Lothar Redlin, Saleem WatsonDifference between 7th and 6th editions Side by side comparison of table of contents helps to figure out the most significant changes. |

**Key differences between 7th and 6th editions**

- Period between current and previous publications: 4 years (2015 vs 2011).
**Chapter 1:**- Contains section 1.6 "Complex Numbers" which was section 3.5 in the Sixth Edition.
- New section 1.12 "Modeling Variation" covers direct and inverse variations, combining different types of variation.
**Chapter 2:**- New section 2.5 "Linear Functions and Models" covers linear functions; slope and rate of change; making linear models from a rate of change, from a slope, involving speed.
**Chapter 3:**- New section 3.7 "Polynomial and Rational Inequalities" provides guidelines on solving polynomial and rational inequalities.
**Chapter 4:**- Two separate sections on the applications of functions -- 4.6 "Modeling with Exponential Functions" and 4.7 "Logarithmic Scales".

Precalculus: Mathematics for Calculus

Published by: Cengage Learning, January 01, 2015

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Published by: Cengage Learning, January 01, 2015

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$210.84 |
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Precalculus: Mathematics for Calculus

Published by: Wadsworth Publishing, February 01, 2013

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Available |

Published by: Cengage Learning, January 01, 2011

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$262.45 |
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Published by: Brooks Cole, January 01, 2011

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$118.71 |
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Enhanced WebAssign Homework with eBook Access Card for One Term Math and Science

**Hardcover**

Published by: Cengage Learning, January 01, 2011

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$267.17 |
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International Edition

**Paperback**, 1008 pages

Published by: Cengage Learning, May 2011

Precalculus: Mathematics for Calculus

Enhanced Review Edition

**Hardcover**, 1072 pages

Published by: Cengage Learning, February 05, 2007

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$90.00 |
From: $6.43 |

Published by: Cengage Learning, October 20, 2005

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$54.28 |
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Enhanced Review Edition

**Hardcover**, 1072 pages

Published by: Cengage Learning, February 05, 2007

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$37.83 |
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Published by: Cengage Learning, October 27, 2005

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$146.33 |
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International Edition

**Paperback**, 960 pages

Published by: Brooks Cole, December 2005

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$50.00 |
From: $1.89 |

**Saving advice**

- Used 7th edition can save you
**$126.9**over the new one. -
Used previous 6th edition costs
**$78.09**less than the used 7th.