TY  - BOOK
AU  - Edwards, Bruce H.
AU  - Zook, Dianna L.
TI  - Instructor's guide for precalculus: a functions and graphs a graphing approach and precalculus with limits : a graphing approach 
SN  - 0669352071
AV  - QA303.I57 .E3 1994
PY  - 1994///
CY  - Lexington
PB  - D. C. Heath and Company
KW  - Precalculus
KW  - Mathematics
ER  -