In this discussion, we will explore stretching and shrinking a graph, both vertically and horizontally. When you finish studying this lesson, you should be able to do a problem like this: GRAPH: [beautiful math coming... please be patient] $\,y=2{\text{e}}^{5x}\,$.
According to how it is treated, cellulose can be used to make paper, film, explosives, and plastics, in addition to having many other industrial uses. The paper in this book contains cellulose, as do some of the clothes you are wearing. For humans, cellulose is also a major source of needed fiber in our diet.
Cellulose, illustrated in Figure 13 and 14, is a polysaccharide found in plant cell walls. Cellulose forms the fibrous part of the plant cell wall. In terms of human diets, cellulose is indigestible, and thus forms an important, easily obtained part of dietary fiber.