Product Description : Precalculus: Graphs and Models (5th Edition) The Graphs and Models series by Bittinger Beecher Ellenbogen and Penna is known for helping students see the math through its focus on visualization and technology These texts continue to maintain the features that have helped students succeed for years focus on functions visual emphasis sidebyside algebraic and graphical solutions and realdata applicationsWith the Fifth Edition visualization is taken to a new level with technology The authors also integrate smartphone apps encouraging readers to visualize the math In addition ongoing review has been added with new MidChapter Mixed Review exercise sets and new Study Guide summaries to help students prepare for tests ( it is an used product)
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