Within the market-leading FINITE arithmetic FOR THE MANAGERIAL, existence, AND SOCIAL SCIENCES, Soo T. Tan offers a correct, obtainable presentation of finite arithmetic mixed with simply the best stability of functions, pedagogy, and know-how to assist scholars reach the path. the hot 8th version contains hugely fascinating present functions and Microsoft Excel routines to assist stimulate pupil motivation. a thrilling new array of supplementations, together with iLrn educational and the Interactive Video Skillbuilder CD-ROM, offers scholars with vast studying help so teachers can have extra time to target instructing the center ideas.

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Source: S. G. Cowen Solution a. The graph of M is shown in Figure 29. S. market for cholesterolreducing drugs y 20 15 1 2 3 4 5 t Years b. 89 billion. c. 95 billion per year. 5, we will show how the function in Example 1 is actually constructed using the method of least squares. In the rest of this section, we look at several applications that can be modeled using linear functions. 2 as a real-world application of straight lines. The following example illustrates how to derive an equation describing the book value of an asset being depreciated linearly.

But linear cost, revenue, and profit functions do arise in practice, and we will consider such functions in this section. Before deriving explicit forms of these functions, we need to recall some common terminology. 3 LINEAR FUNCTIONS AND MATHEMATICAL MODELS 33 The costs incurred in operating a business are usually classified into two categories. Costs that remain more or less constant regardless of the firm s activity level are called fixed costs. Examples of fixed costs are rental fees and executive salaries.

What can you say about the slope of a vertical line? 2. Give (a) the point-slope form, (b) the slope-intercept form, and (c) the general form of an equation of a line. 2 3. Let L1 have slope m1 and let L2 have slope m2. State the conditions on m1 and m2 if (a) L1 is parallel to L2 and (b) L1 is perpendicular to L2. Exercises In Exercises 1– 4, find the slope of the line shown in each figure. 1. y 4. 5 y 3 4 1 3 4 2 2 1 3 x x 2 In Exercises 5–10, find the slope of the line that passes through the pair of points.

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