Chapter 4 Applications of First-order Differential Equations to Real World Systems 4.1 Cooling/Warming Law 4.2 Population Growth and Decay 4.3 Radio-Active Decay and Carbon Dating 4.4 Mixture of Two Salt Solutions 4.5 Series Circuits 4.6 Survivability with AIDS 4.7 Draining a tank 4.8 Economics and Finance 4.9 Mathematics Police Women 4.10 Drug Distribution in Human Body 4.11 A Pursuit Problem 4.12 Harvesting of Renewable Natural Resources 4.13 Exercises In Section 1.4 we have seen that
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FUNCTION | DESCRIPTION | DAVERAGE | Returns the average of selected database entries | DCOUNT | Counts the cells that contain numbers in a database | DCOUNTA | Counts nonblank cells in a database | DGET | Extracts from a database a single record that matches the specified criteria | DMAX | Returns the maximum value from selected database entries | DMIN | Returns the minimum value from selected database entries | DPRODUCT | Multiplies the values in a particular field of records that
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the solution region to the following function? f (x) > 2x + 4 + 3 A. Quadrant I only B. Quadrants I and III Quadrants II‚ III and IV C. Quadrants I and II 2. Determine which of the following relations is not a function. A. B. C. D. 3. Which defines the range of the following function: f (x) = x – 5
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5 lnx‚ dy/dx = 5/x Exercises: i) y = 3lnx j) y = -2lnx k) y = 2x7 – (lnx)/2 1 l) y = 5ln x - 2/x3 ECN601 – Section 003 Syracuse University Fall 2010 Professor Lourenço Paz 3. Calculus of more than one variable When the function y depends on more than one variable‚ e.g. x and z‚ we use the partial derivative. So‚ the partial derivative of y with respect to x ( ) provides the change in y given an infinitesimal change in x‚ keeping z constant (or if you prefer‚ treating
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Linear Functions There are three different ways to write linear functions. They are slope-intercept‚ point-slope‚ and standard form. There are certain situations where it is better to use one way than another to solve a problem. It is important to understand and comprehend the mechanics of these three forms so that you know what form to use when solving a problem. The first form‚ point-slope‚ is written as y-y1=m(x-x1). M is the slope and x1 and y1 correspond to a point on the line. It’s good to
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One of the most common models of population growth is the exponential model. These models use functions of the torm p(t) : po€rt‚ wherep6 is the initial population and r > 0 is the rate constant. Because exponential models describe unbounded growth‚ they are unrealistic over long periods of time. Due to shortages of space and resources‚ all populations must eventually have decreasing grovtrth rates. Logistic growth models allow for exponential growth when the population is small. However‚ as the population
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:………………………………………….. Date received …………………………………….. Date completed …………………………. Marks of the Topical Test : …………………………….. Prepared by : PN HJH SARIPAH AHMAD Sekolah Menengah Sains Muzaffar Syah Melaka 75450 AYER KEROH MELAKA 1 LEARNING AREA : FUNCTIONS Learning Objectives : Understand the concept of relations Learning Outcomes : Student will be able to 1.1 Represent relation using a) arrow diagram ‚ b) ordered pairs‚ c)graphs 1.2 Identify domain‚ co domain‚ object‚ image and range of a relation
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Knowledge function of attitudes Daniel Katz (1960) outlined 4 functions of attitudes one of them being ‘knowledge’ Definition 1 “Knowledge function: Attitudes organize and structure one’s environment. Attitudes provide a sense of understanding and consistency.” (Katz‚ 1960 in Table 1: Shavitt‚ 1989) Definition 2 “Knowledge {function of attitude} - Attitudes provide meaning (knowledge) for life. The knowledge function refers to our need for a world which is consistent and relatively stable. This
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• Explain the domain and range of a function. Under what circumstances would the domain be something other than all real numbers? Provide an example. Domain: The domain of a function is the set of ‘input’ values; the function must be well defined for these input values. Range: The range of a function is the set of ‘output’ values that result after f is applied to every element of the domain. **The domain will NOT be all real numbers when the horizontal distance from
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which relation is a function? State your reason. Part 2 a) You are required to come out with an attractive and creative card. Your card must have the following information. i) a family photo ii) a family tree b) Write a short description about your family in not more than 150 words. Part 3 Based on Diagram 3‚ answer the following questions. Diagram 3 Find a) function [pic] and function [pic]. b) the inverse function [pic] and [pic]
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