This book presents the traditional content of Precalculus in a manner that answers the age-old question of "When will I ever use this?" Highlighting truly relevant applications, this book presents the material in an easy to teach from/easy to learn from approach.KEY TOPICS Chapter topics include equations, inequalities, and mathematical models; functions and graphs; polynomial and rational functions; exponential and logarithmic functions; systems of equations and inequalities; matrices and determinants; conic sections; and sequences, induction, and probability. For engineers of every kind, manufacturing personnel, technologists, technicians, and technical marketing professionals.