TY  - BOOK
AU  - Henry, Teresa
AU  - Boyar, Threasa Z.
TI  - Precalculus: a graphing approach / 
SN  - 0030696089
AV  - QA 154.2 .H64 2004
PY  - 2004///
CY  - Austin
PB  - Holt, Rinehart and Winston
KW  - Functions -- Data processing
KW  - Graphic calculators
N1  - Includes index
ER  -