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數學 高中

求救第55題 完全看不懂他要我幹嘛

Year slenue Req) = 1932 1958 +1000 q R 9)=-1000q =74 1963 1968 COM If the price in dollars of a stereo system is given by 1000 p(q) + 1000, 1000 ² q where q represents the demand for the product, find the mar- ginal revenue when the demand is 10. 54. Profit Suppose that for the situation in Exercise 53 the cost in dollars of producing a stereo systems is given by C(q) = 0.2q2 + 69 + 50. Find the marginal profit when the demand is 10. 59. Marginal Product of Labor The output y of a manufacturing y process is a function of the size of the labor force n using the function 1990 +1000 1971 1974 = 990 197 197 19 19 1 y = kVn. The marginal product of labor, defined as dy/dn, measures the rate that output increases with the size of the labor force, and is a measure of labor productivity. (a) Show that (c) Using the a cubic f respond the rate and 200 (d) Discus descri part ( the y (e) Exp data calc ful x C(x) = 58. Money 1955-7 dy k dn an (b) How can you tell from your answer to part (a) that as the size of the labor force increases, the marginal product of labor gets smaller? This is a phenomenon known as the law of diminishing returns, discussed more in the next chapter. 56. Profit An analyst has found that a company's costs and rev- enues in dollars for a product are given by x2 C and R(x) 2x 2 5000' respectively, where x is the number of items produced. (a) Find the marginal cost function. (b) Find the marginal revenue function. (c) Using the fact that profit is the difference between revenue and costs, find the marginal profit function. (d) What value of x makes the marginal profit equal O? (e) Find the profit when the marginal profit is 0. (As we shall see in the next chapter, this process is used to find marimum profit.) A wher in bi find year (a) (C) (e) nad since

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英文 高中

想問124

e HyRead ebook THE X Online Reader x Online Reader x O 29:06 min - Studying and x || > get 890 on the TOEIC x + - X E → c i service.ebook.hyread.com.tw/ebookservice/epubreader/hyread/v3/reader.jsp * : ► YouTube Google Keep 課程 • Notion Google Translate 13 Calendar 7 WORD UP Toggl Track e HyRead ebook ... Reading list TITSl Oruer. UECISION COMITIIee will be conveneu lor evaluation. (A) customarily (B) perfectly (C) repeatedly (D) obediently (A) Then (B) Next (C) Once (D) Always 123 McAfee Manufacturing is known as a company that makes uniquely ------- tools for the construction industry. (A) precise (B) precision (C) precisely (D) preciseness 129 Store managers will not ------- approve time off for employees during the peak season. (A) generalization (B) generalize (C) generally (D) general 124 Ms. Hogan, the director of personnel the company's revised manual for recruiting interns at tomorrow's meeting. (A) had been addressing (B) is addressing (C) will be addressed (D) should be addressed 130 The decision about company relocation will be ------- until the special meeting scheduled for next month. (A) deferred (B) resolved (C) organized (D) agreed 125 slow the high-speed printer may be, it is still making copies that are adequate for our purposes. (A) Rather (B) Seldom (C) Thoroughly (D) However x R! 126 Since the Wisconsin Daily is now available digitally, subscribers can read articles one 46:44 / 47:32 : ^ ENG 2:14 PM 2/13/2022

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