TY  - BOOK
AU  - Larson,Ron
AU  - Hostetler,Robert P.
AU  - Edwards,Bruce H.
TI  - Precalculus: A graphing approach 
SN  - 0618052895
PY  - 2001///
CY  - Boston
PB  - Houghton Mifflin
KW  - Functions
KW  - Algebra
KW  - Graphic methods
N1  - Includes indexes
ER  -