For courses in precalculus. Prepare. Practice. Review. MichaelSullivan's time-tested approach focuses students on the fundamental skills theyneed for the course: preparing for class, practicing withhomework, and reviewing the concepts. The 11th Edition continuesto evolve to meet the needs of today's students. This series prepares andsupports students with access to help, where and when they require it. Thehallmark Sullivan cycle of continuous preparation and retention - alongwith the high-quality exercises that Sullivan texts are known for - givesstudents the reinforcement they need.