**Precalculus: An Investigation of Functions**

by David Lippman, Melonie Rasmussen

**Publisher**: Lulu.com 2011**ISBN/ASIN**: B005J2KM16**Number of pages**: 568

**Description**:

A textbook covering a two-quarter precalculus sequence including trigonometry. An emphasis is placed on modeling and interpretation, as well as the important characteristics needed in calculus. Exercises are included in the book.

Download or read it online for free here:

**Download link**

(6.1MB, PDF)

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