TY  - BOOK
AU  - Demama, Franklin 
TI  - Precalculus: functions and graphs 
SN  - 0321131967
AV  - QA 154.3 .P73 2003 
PY  - 2003///
CY  - Boston
PB  - Pearson
KW  - Algebra
KW  - Trigonometry
N1  - include index
ER  -