TY  - GEN
AU  - Larson, Roland E.
TI  - Precalculus functions and graphs: a graphing approach 
SN  - 0618394761 (student edition)
AV  - QA331.3 .L375 2005
PY  - 2004///
CY  - Boston, MA
PB  - Houghton Mifflin Co.
KW  - Functions
KW  - Internet in education
ER  -