Read this excerpt from a book. This book looks at the pros and cons of homeschooling from both a student and a teacher perspective. It is meant to be used to inform readers—parents, students, teachers, administrators—so that conclusions can be drawn and decisions can be made about opinions for teaching, learning, performance, and personal growth. How does the author use advantages and disadvantages to guide reader understanding? by providing a definition of "homeschooling" by providing examples of different types of schools by providing the author's opinion about homeschooling by providing the reader with a summary of the book's purpose