TY  - BOOK
AU  - Larson, R. Houghton, R.P. Edwards, B.H.
TI  - Precalculus funtions and graphs
SN  - 0618066578
AV  - QA 331.3 L3 2001 
PY  - 2001///
CY  - Boston
PB  - Houghton mifflin
KW  - Funtions
KW  - Algebra- graphic methods
ER  -