Precalculus chapter 2 : Linear Function, Colorful Math book, preparation for exam, lessons and excercies: More than 90 pages of good Lessons and ... (21.59cm x27.94cm) (Precalculus 2 edition)

Introduction to Linear Functions:Imagine placing a plant in the ground one day and finding that it has doubled its height just a few days later. Although itmay seem incredible, this can happen with certain types of bamboo species. These members of the grass family are thefastest-growing plants in the world. One species of bamboo has been observed to grow nearly 1.5 inches every hour.1 Ina twenty-four hour period, this bamboo plant grows about 36 inches, or an incredible 3 feet! A constant rate of change,such as the growth cycle of this bamboo plant, is a linear function.Recall from Functions and Function Notation that a function is a relation that assigns to every element in the domainexactly one element in the range. Linear functions are a specific type of function that can be used to model many realworld applications, such as plant growth over time. In this chapter, we will explore linear functions, their graphs, andhow to relate them to data.