TY  - BOOK
AU  - Edwards Bruce H.
AU  - Larson.
AU  - Hostetler.
TI  - Study and sloutions guide: Precalculus functions and graphs, A graphing approach 
SN  - 0618074104
U1  - 512.13 
PY  - 2001///
CY  - Boston
PB  - Houghton Mifflin Company
ER  -