Using & Understanding Mathematics: A Quantitative Reasoning Approach prepares you for the math you'll encounter in future courses, your career, and everyday life. The authors place math into recognizable contexts like digital music, student loans, and politics, encouraging you to develop the skills needed to think critically about quantitative issues in our society. With its modular structure and consistent Brief Review throughout, it can be used by students with a wide range of math backgrounds.

The 9th Edition incorporates new and updated data throughout, along with many expanded and new examples. New Math for Life features tie concepts directly to real-world issues and topics; a new emphasis on AI asks you to make use of AI tools and to evaluate their reliability.