TY  - BOOK
AU  - Swokowski, Earl W.
TI  - Precalculus: functions and graphs 
SN  - 0534999905
AV  - QA331.3 .S96 2005
PY  - 2005///
CY  - Australia
PB  - Thomson brooks
KW  - graphs
N1  - includes index
ER  -