Barnett, Raymond A. Precalculus : functions and graphs / Raymond A. Barnett, Michael R. Ziegler. - 3rd ed. - New York : McGraw-Hill, c1993. - xix, 826 pages : illustrations ; 26 cm Rev. ed. of: Functions and graphs, c1985. Includes index. ISBN: 0030728037 Subjects--Topical Terms: FunctionsAlgebra--Graphic methods LC Class. No.: QA331.3 / B26 1993