TY  - BOOK
AU  - Hungerford,Thomas W.
TI  - Contemporary precalculus: a graphing approach 
SN  - 0534403387
AV  - QA331.3  .H86 2004
PY  - 2004///
CY  - Belmont, CA
PB  - Brooks/Cole
KW  - Functions
ER  -