Swokowski, Earl W. Precalculus Functions and Graphs - 9th - Pacific Grove, CA : Brooks/Cole Thomson Learning, c2002 - XVI, 848 p. : ill + 1 Cd Includes Index ISBN: 0534396437 ISSN: Subjects--Topical Terms: Algebra Graphic MethodsFunctionsTrigonometry Dewey Class. No.: 515.1 / SWO