Zill, Dennis G., 1940- Precalculus with calculus previews / Dennis G. Zill, Jacqueline M. Dewar - 4th ed. - xiii, 383 : ilustraciones (principalmente a color) ISBN: 9780763737795 0763737798 9780763737795 Subjects--Topical Terms: Matemáticas LC Class. No.: QA39.3 / Z55 2007 Dewey Class. No.: 512/.1