Making the transition to calculus means being prepared to grasp bigger and more complex mathematical concepts. Precalculus: Functions and Graphs is designed to make this transition seamless, by focusing now on all the skills that you will need in the future. The foundation for success begins with preparation and Precalculus: Functions and Graphs will help you succeed in this course and beyond.
It's a mathematics textbook that provides exactly what it claims. It's neither amazing nor bad. It's just a means to an end: learning what you need to know if you want to learn calculus afterward.