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1
College algebra : a graphing approach / Roland E. Larson, Robert P. Hostetler, Bruce H. Edwards, with the assistance of David E. Heyd.
Boston : Houghton Mifflin, c1997
1 v. (various pagings) : ill. ; 24 cm.
2
Precalculus / Roland E. Larson, Robert P. Hostetler ;with the assistance of David E. Heyd.
Boston : Houghton Mifflin, c1997
xxvi, 878, 328 p. : ill. (some col.) ; 24 cm.