
WHAT OUR COLLEAGUES SAY:
“This book is noteworthy for the clarity of its explanations, its many challenging problems, its numerous worked and illustrated examples, and its meaningful use of the calculator.”
– Mary Grey, Bellevue, WA



PreCalculus Transformed Extending Transformations to Explore PreCalculus

By Chris Harrow and Nurfatimah Merchant 
PreCalculus Transformed highlights the underexplored role of transformations in visualizing, interpreting, and understanding precalculus concepts. This text develops function composition to expand transformations far beyond constant translations and dilations. Students discover underlying patterns, bring out connections between otherwise seemingly unrelated ideas, and learn to more easily analyze problems that initially appear complicated. Overall, this text provides an interconnected and dynamic precalculus experience with a wide range of problems from basic practice to those requiring creativity, insight and meaningful connections.
While PreCalculus Transformed integrates computer algebra system (CAS) technology throughout, its concepts can be grasped without a CAS. However, routine CAS use in the text enables students to investigate, recognize patterns, and make broader predictions about function behavior, while appropriately maintaining their focus on critical problem characteristics without losing themselves in algebraic manipulations that are explored independently elsewhere.



Table of Contents
 Chapter 0 Algebra and CAS Fundamentals
 Chapter 1 Powers, Polynomials and Describing Functions
 Chapter 2 Transformations
 Chapter 3 Exponents, Logarithms and Logistics
 Chapter 4 Data Analysis and Rational Functions
 Chapter 5 Introduction to Trigonometry
 Chapter 6 Trigonometric Identities
 Chapter 7 Parametrics and Vectors
 Chapter 8 Extensions of Trigonometry
 Appendices Selected Answers and Solutions





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