In the last Section, you learned a great deal about demand and supply. You observed how they operate, why they operate as they do, and what forces beyond price influence the two. However, economics is not a discipline that is solely for use within a book. In this Lesson you will research real-life examples to illustrate what you have learned. Using the internet or whatever source you have readily available to you, you are to search for examples of increase and decrease in demand within your state, within the country, and internationally. You are to do the same with supply—state, country, and international. This can be accomplished in several ways. One way is to search for issues of demand and supply in each area. However, another way could include searching for the various factors that affect demand and supply. For example, if you see that violence is erupting in Iran or Greece, think about each country’s major exports. There is a chance that such violent actions could impact the supply of that export for the rest of the world.

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local max is .5

step-by-step explanation:

the local maximum is for x values between 2 and 4

it looks like the x value is 2.5 and the y value is .5

the earth’s crust is broken into separate pieces called tectonic plates (fig. 7.14). recall that the crust is the solid, rocky, outer shell of the planet. it is composed of two distinctly different types of material: the less-dense continental crust and the more-dense oceanic crust. both types of crust rest atop solid, upper mantle material. the upper mantle, in turn, floats on a denser layer of lower mantle that is much like thick molten tar.

each tectonic plate is free-floating and can move independently. earthquakes and volcanoes are the direct result of the movement of tectonic plates at fault lines. the term fault is used to describe the boundary between tectonic plates. most of the earthquakes and volcanoes around the pacific ocean basin—a pattern known as the “ring of fire”—are due to the movement of tectonic plates in this region. other observable results of short-term plate movement include the gradual widening of the great rift lakes in eastern africa and the rising of the himalayan mountain range. the motion of plates can be described in four general patterns:

collision: when two continental plates are shoved together

subduction: when one plate plunges beneath another (fig. 7.15)

spreading: when two plates are pushed apart (fig. 7.15)

transform faulting: when two plates slide past each other (fig. 7.15)