Sullivan, Michael, Precalculus : enhanced with graphing utilities / Michael Sullivan, Michael Sullivan, III. - 6th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2013. - p. cm. ISBN: 9780321795465 LCCN: 2011049577 Subjects--Topical Terms: Functions--Textbooks.Graphic calculators--Textbooks. LC Class. No.: QA331.3 / .S926 2013 Dewey Class. No.: 512.1