TY  - BOOK
AU  - Hornsby, John.
AU  - Lial ,Margaret L.
AU  - Rockswold,Gary K.
TI  - A graphical approach to: precalculus with limits
SN  - 02017911129
AV  - QA 331.3.H67 2002 
PY  - 2002///
CY  - Boston
PB  - Addison Wesley
KW  - functions
ER  -