Precalculus Author:J. Douglas Faires, James Defranza Precalculus presents the course as it was intended to be taught - it provides students with an integrated review of algebra and trigonometry while focusing on the calculus concepts they'll need to know. Faires and DeFranza wrote this book because they believe students too often leave a precalculus class unprepared to go on. Although students wh... more »o complete a precalculus course generally have had plenty of algebra and trigonometry review they often lack the grounding in analysis and graphing necessary to make the transition to calculus.« less