Michael Price is a senior instructor and assistant department head of mathematics at the University of Oregon in Eugene, Oregon. Both his undergraduate and graduate degrees are from the University of Oregon, where has worked as a graduate student and instructor for the last 9 years. Michael has taught courses in introductory and intermediate algebra, up through precalculus, statistics, and three variations of calculus aimed at, respectively, biology/human physiology, business/economics, and mathematics/physical science students. As a coordinator for the precalculus sequence at the U of O and periodically other sequences required for non-math majors, Michael spends a substantial portion of his time developing and reinforcing responsible course material for mathematics service courses. In addition to this textbook, he has also contributed to supplemental materials and reviews of undergraduate texts in mathematics.