Book excerpt: Don't be perplexed by precalculus. Master this math with practice, practice, practice! Practice Makes Perfect: Precalculus is a comprehensive guide and workbook that covers all the basics of precalculus that you need to understand this subject. Each chapter focuses on one major topic, with thorough explanations and many illustrative examples, so you can learn at your own pace and really absorb the information. You get to apply your knowledge and practice what you've learned through a variety of exercises, with an answer key for instant feedback. Offering a winning solution for getting a handle on math right away, Practice Makes Perfect: Precalculus is your ultimate resource for building a solid understanding of precalculus fundamentals.