This is Vol. 2 of two-volume text designed for high-school students preparing for college, and for college students, who have to take a remedial mathematics course. The goal of this book is to help the students to learn the necessary mathematics and to go straightforwardly to college-level courses without taking the mathematical remediation at all, or complete it quickly. The book is also useful to people who, after spending a few years in workforce, decide to advance their life and career and go to college, but have to refresh their mathematical background. The text will be also helpful as a reference book to the teachers and parents. It is quite suitable for international students, who wish to study at any American or European college or university. This book contains brief introductions to the necessary topics, many examples with detailed solutions, and more than 500 exercises with answers for the students' individual practice. The book includes numerous tips on how to study mathematics and to approach typical problems. The author teaches at the City University of New York, and the text reflects the author's 50 years of experience in teaching mathematics at all levels, from high school to undergraduate to graduate school.