TY - BOOK AU - Demana,Franklin D AU - Waits,Bert K. AU - Clemens,Stanley R. TI - Precalculus mathematics: a graphing approach SN - 0201529009 AV - QA 154.2 .D44 1994 PY - 1994/// CY - New York PB - Addison-Wesley KW - Algebra KW - Trigonometry N1 - Includes index ER -