Aufmann, Richard N. Precalculus / [electronic resource] / Richard N. Aufmann, Vernon C. Barker, Richard D. Nation.. — 2nd ed.. — Boston : : Houghton Mifflin Co.,, c1993.. — xxi, 632, 103, 6 p. : : ill. ; 26 cm. Includes index. ISBN: 0395638259 9780395638255 LCCN: 92072364 Subjects--Topical Terms: Functions. LC Class. No.: QA331.3 / .A8 1993 Dewey Class. No.: 512/.1