TY  - GEN
AU  - Zill, Dennis G.
AU  - Dewar, Jacqueline M.
TI  - Precalculus: with calculus previews
SN  - 9780763737795
PY  - 2007///
CY  - Massachusetts
PB  - Jones and Bartlett
KW  - Mathematics
KW  - Calculus
KW  - Functions
ER  -