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.
Poor digestion of raw vegetables is more common than you might think, yet the popular raw foods movement has many of us convinced that we must eat raw foods to be healthy. Yes, raw foods do contain enzymes, but raw vegetables also contain cellulose, a fiber that is poorly digested by humans. Though fiber has little nutritional value, it is very important for intestinal health and for helping form a healthy stool.