TY  - BOOK
AU  - Demana, Franklin D.,
TI  - Precalculus: functions and graphs 
SN  - 0321131967
AV  - QA154.3 .P73 2004
U1  - 516.24 21
PY  - 2004///
CY  - Boston
PB  - Addison Wesley
KW  - Algebra
KW  - Trigonometry
N1  - Includes bibliographical references and indexes
ER  -