TY  - BOOK
AU  - Hornsby,E.John
AU  - Lial,Margaret L.
AU  - Rockswold,Gary K.
TI  - A graphical approach to precalculus with limits: a unit circle approach 
SN  - 0321644735 (student ed.)
AV  - QA331.3 .H67 2011
U1  - 512/.1 22
PY  - 2011///
CY  - Boston
PB  - Addison Wesley
KW  - Functions
KW  - Textbooks
N1  - Includes index
ER  -