TY  - BOOK
AU  - Demana,Franklin D
AU  - Waits,Bert K.
AU  - Clemens,Stanley R.
TI  - Precalculus mathematics: a graphing approach 
SN  - 0201529009
AV  - QA 154.2 .D44 1994
PY  - 1994///
CY  - New York
PB  - Addison-Wesley
KW  - Algebra
KW  - Trigonometry
N1  - Includes index
ER  -