Practice Problems 2.1 (from the book)

Practice Problems 2.2 (from the book)

Practice Problems 2.3 (from the book)

Practice Problems 2.4 (from the book)

Practice Problems 2.5 (from the book)

Practice Problems 2.6 (from the book)

Practice Problems 2.7 (from the book)

Practice Problems 2.8 (from the book)