TY  - BOOK
AU  - Swanson, Todd
AU  - Andersen,Janet
AU  - Keeley,Robert
TI  - Precalculus: a study of functions and their applications 
SN  - 0534435203
PY  - 2001///
CY  - Orlando, FL
PB  -  Harcourt College Pub.
KW  - Functions
N1  - Includes index
ER  -