This market-leading book continues to provide users with sound, consistently structured explanations of the mathematical concepts. Designed for a one- or two-term course that prepares users to study calculus, the new Eighth Edition retains the features that have made PRECALCULUS a complete solution for users: interesting applications, cutting-edge design, and innovative technology combined with an abundance of carefully written exercises.The Pennsylvania State University, The Behrend College Bio: Robert P. Hostetler received his Ph.D. in mathematics from The Pennsylvania State University in 1970. He has taught at Penn State for many years and has authored several calculus, precalculus, and intermediate algebra textbooks. His teaching specialties include remedial algebra, calculus, and math education, and his research interests include mathematics education and textbooks.