Hornsby, E. John A graphical approach to precalculus John Hornsby, Margaret Lial, Gary K. Rockswold - 4th ed - Boston, MA Pearson, Addison-Wesley 2007 - xx, 950, [121] p. : col. ill. ; 27 cm Includes index ISBN: 9780321357830 ISSN: 2005047687 Subjects--Topical Terms: Mathematics Dewey Class. No.: 512.1HOR