TY  - BOOK
AU  - Larson,Ron
AU  - Hostetler,Robert P.
AU  - Edwards,Bruce H.
TI  - Precalculus: a graphing approach 
SN  - 0669285005
AV  - QA331.3 .L37 1993
U1  - 512/.13 20
PY  - 1993///
CY  - Lexington, Mass.
PB  - D.C. Heath and Company
KW  - Functions
KW  - Algebra
KW  - Graphic methods
N1  - Includes indexes
ER  -