Barnett, Raymond A. Precalculus : a graphing approach / Raymond A. Barnett, Michael E. Ziegler, Karl E. Byleen. - Boston : McGraw-Hill, c2000. - xxxii, 839 pages : illustrations ; 26 cm ISBN: 0070057176 Subjects--Topical Terms: FunctionsAlgebra--Graphic methods. LC Class. No.: QA331.3 / B26 2000