TY  - BOOK
AU  - Safier, Fred
TI  - Theory And Problems of Precalculus
SN  - 978-0-07-150864-3.
AV  - QA157.S215 
CY  - New York
KW  -  Exponential functions
KW  -  Linear programming
KW  -  Trigonometry
KW  - Algebra
KW  - Mathematics
ER  -