2.2 Introduction to Functions I developed this video series as a resource for developmental math students at South Seattle College. The chapter and section numbers in the MATH 098 videos refer to Intermediate Algebra: Concepts with Applications by Charles P. McKeague, published by XYZ Textbooks. The chapter section numbers in the MATH 094/095 videos refer to Essentials of Elementary & Intermediate Algebra: A Combined Course by Charles P. McKeague, published by XYZ Textbooks.