Safier, Fred Precalculus - 4th ed. - New York: McGraw-Hill Pub.; 2020 - x, 402 p. : ill. ; 28 cm. ISBN: 9781260454208 Subjects--Topical Terms: Precalculus--Outlines, syllabiPrecalculus--Problems, exercises LC Class. No.: COL QA 157 .Sa12 2020