TY  - BOOK
AU  - Gilbert,Linda
AU  - Gilbert,Jimmie
TI  - Precalculus: functions and graphs 
T2  - Schaum's solved problems series
SN  - 0201583461
AV  - QA152.2 .G52
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - Algebra
KW  - Graphic methods
KW  - Functions
N1  - Includes index
ER  -