For courses in Precalculus Take Precalculus from the Authors that Wrote "the" Calculus book Precalculus: Graphical, Numerical, Algebraic - by the nationally recognized author team of Demana, Waits, Foley, Kennedy, and Bock-is the leading choice for graphing-intense courses. Now in its Ninth Edition, this bestseller offers extremely accessible writing and exercises, a balanced approach to problem solving, the most appropriate use of technology, and an easier and more consistent transition from Precalculus to Calculus. A principal feature of this text is the balance among the algebraic, numerical, graphical, and verbal methods of representing problems: the rule of four.This approach reinforces the idea that to understand a problem fully, students need to understand it algebraically as well as graphically and numerically. MyMathLab(R) not included. Students, if MyMathLab is a recommended/mandatory component of the course, please ask your instructor for the correct ISBN and course
