TY  - BOOK
AU  - Barnett, Raymond A.
AU  - Ziegler, Michael R.
AU  - Byleen, Karl E.
TI  - Precalculus : functions and graphs
SN  - 0072368713
AV  - QA331 .B38
PY  - 2001///
CY  - Boston
PB  - McGraw-hill higher education
KW  - Functions
KW  - Algebra-graphic methods
ER  -