TY  - BOOK
AU  - Marshall,A.Robert
TI  - Precalculus: functions and graphs 
SN  - 0201190958 (cased)
PY  - 1991///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub.
KW  - Functions
KW  - Algebra
KW  - Graphic methods
KW  - Trigonometry
N1  - Includes index
ER  -