Precalculus

Emphasizing graphing technology and business applications, this user-friendly book is the perfect reference for everyday and business mathematics. Solves problems using both algebra and a graphing utility, with the benefits of each illustrated. Uses real data to help readers make connections between the mathematics learned and familiar situations. Uses up-to-date technology including the more powerful features of ZERO (ROOT) and INTERSECT, with minimal use of TRACE. Helps readers quickly identify key points in the book with a vivid new full-color design. For anyone who needs to brush up on everyday or business-related mathematics.