TY  - BOOK
AU  - Swokowski,Earl William
AU  - Cole,Jeffery A
TI  - Precalculus: functions and graphs 
SN  - 9780840068576 (hbk.)
PY  - 2012///
CY  - Belmont, CA
PB  - Brooks/Cole, Cengage Learning
KW  - Functions
KW  - Algebra
KW  - Graphic methods
KW  - Trigonometry
N1  - Includes index
ER  -