TY  - BOOK
AU  - Aufmann, Richard N.
AU  - Nation, Richard D.
TI  - Essentials of Precalculus
SN  - 0618447024
AV  - QA 331.3 .A94 2006 
PY  - 2006///
CY  - New York
PB  - Houghton Mifflin Company
KW  - Functions
KW  - Mathematics
N1  - Includes index
ER  -