coordinates of the vertex of the parabola with equation y – x2 – 6x + 14. (Total 4 marks) 2. The diagram shows the graph of the function y = ax2 + bx + c. Complete the table below to show whether each expression is positive‚ negative or zero. Expression|positive|negative|zero| a|||| c|||| b2 – 4ac|||| b|||| (Total 4 marks) 3. The diagram shows the parabola y = (7 – x)(l + x). The points A and C are the x-intercepts and the point B is the maximum point. Find the coordinates of A
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In this essay I will discuss the adaptations on human evolution‚ this includes skin color‚ disease‚ Lactase Persistence‚ and the negative effects of the Neolithic Revolution. I will focus mostly on the diseased portion the most because this plays a vital role in natural selection. Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring (dictionary.com). Without disease natural selection would play less of a part in how species
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There are two forms of homeostasis‚ positive feedback and negative feedback. The type of feedback which is most common is negative feedback. This works by making the levels that have changed return back to normal. Positive feedback is the least common type of feedback. This is where one component escalates to another which continues to escalate to another. In positive feedback the level of control the component does not return to normal straight away. Negative feedback is usually what happens inside
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Taylor Hartman Mrs. Blythe 10/17/11 Essay #2 The Positive and Negative Effects of Music on the Internet Technology has taken over every aspect of everyday life. It’s hard to image life without using some form of technology. The most dominating form of technology has to be the internet. The internet gives users access to new and improved ideas from around the world such as news‚ gadgets‚ and music. Music thrives on the internet and it’s impact can be seen as either a good thing or a
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essay I plan to analyze the claim by Karl Marx that the bourgeoisie class produces its own "gravediggers". I will first present a definition of the bourgeoisie and the proletariat classes along with what Marx means by his claim. After discussing Marx’s claim and his support I will assert that his claim is false and was based on a false assumption. I will argue that Marx does not allow the possibility of an adaptation on behalf of the bourgeoisie. Furthermore‚ that Marx contradicts his claim with his own
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Operant Conditioning Conditioning Project AP Psychology Operant Conditioning is a process of behavior modification in which the likelihood of a specific behavior increased or decreased through positive or negative reinforcement each time the behavior is exhibited‚ so that the subject comes to associate the pleasure or displeasure of the reinforcement. An early theory of operant conditioning was proposed my Edward Thornlike‚ he used instrumental learning because the response
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In Ancient Greece‚ the geography has played a huge role in the development of the country‚ in both positive and negative ways. Positive impacts have made developments to things like trade development‚ religion‚ and city-states. Negative impacts that have hurt Greece are the volcanic zone‚ and the actual land that makes up the country of Greece. The first positive effect geography had on Greece was the mountains throughout Greece. The mountains were difficult to cross so the Greeks had to use the
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important in modern society. But‚ what should we do to respond to the work of other people? Should we give positive feedbacks or negative opinions? Will the negative words hurt our colleagues? Many people feel puzzling on these questions. I do believe that both positive and negative feedbacks have their applications and advantages. And the most important thing is to treat our friends sincerely. Positive feedbacks can make people happy and fulfill their requirement of achievement. It’s the nature of human
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6. 0. Positive Impact of SAFTA in Bangladesh I. Increases Bangladesh’s Trade Volumes with SAARC The volumes of imports from SAARC countries as well as the exports of Bangladesh to SAARC countries from fiscal year 1997/98 until fiscal year 2007/08 is provided in following (Table-1) and graphically illustrated in Figure 1. Clearly‚ as part of the overall increase in trade volumes‚ Bangladesh’s exports to SAARC countries have grown moderately and Bangladesh’s imports from SAARC countries have increased
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Does Capitalism‚ in theory‚ exploit workers? Why/why not? Give evidence both from Marx’s text AND from your own independent research. Capitalism is a system based on exploitation. “Exploitation is the use of someone or something in an unjust or cruel manner.” Mostly it is used to refer economic exploitation that is‚ using another person’s labor without offering them adequate compensation. According to Karl Marx‚ a German economist and social theorist‚ Marxist theory states capitalist class as
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