突然忘光怎麼畫... （1）我知道是水平伸縮1/2 但如何畫 謝謝

3. The graph of f is given. Use it to graph the following functions. (a) y = f(2x) (c) y = f(-x) YA 1 0 1 (b) y = f(x) (d) y = -f(-x) Xx

請問要怎麼找定義域

5-6 Find the domain of the function. 5. f(x) = COS X 1 - sin x 6. g(x) = www.comm 1 1 tan x

如何計算

bland [bland] adj. Why Do Y with 題1 有一過關遊戲,每位參賽者要依序過三關,過關者才能繼續參加下一關挑戰,每一關 互動式教學講義數學(4A) 範夜 3 汰的機率皆為 9 且每一關通關與否不互相影響。若已知阿信被淘汰了,則他是在 5 B 一關被淘汰的機率為 。 39 ++ 5 6 售价 的、有關飲食的 you have an P(A)= + 12 125 網該刨剪 網 連 發

求解 7.為什麼不能直接提出來 2.、11.12.

7. 設 f(x) 為一多項式,若(x-2)f(x)除以x+x-1的餘式為4x+7,則f(x)除以x+x-1的 餘式為 fw=(x-1)60x35 。 (X²) 3 = (X*XX-V) (X-²) 6(71) + (x-2) (014) [(x3X-) (x-3);+1) 6X+ (0X-1bay 8 「跑專戰車 日做代運動土 IFTI WITH GL M 大的學術風格 球隊會盡可能的快 。

求解謝謝🙏

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第六題 第二個問題怎麼解

6. Let f(x) = ln(3 – In x). Find the domain of f = (0, ey) and its inverse function f-1(x) = e(3-e“). logg C dx 1 7. Evaluate 1. O

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

請問第二題不應該是.Despite had eaten嗎 求解謝謝～～

2 Despite/In spite of + N/V-ing..., S + V.... 說明 (1) despite/in spite of 為介系詞,後接名詞或動名詞。意為「儘管」雖然。 (2) Despite/In spite of the fact that +S+V, S + V.... Although The +S+V, S + V.... i + Despite the bad weather, they continued with their plan to camp in the mountains. = Although the weather was bad, they continued with their plan to camp in the 儘管天氣很糟,他們繼續依照計畫在山裡露營。 Despite having had a hamburger and a steak, I am still hungry and want to eat some mora = Although I have had a hamburger and a steak, I am still hungry and want to eat some more 雖然已經吃了一個漢堡和一塊牛排,我還是很餓,想要吃更多。 mountain > >

51最後怎麼算？sec c算出來後 我就看不懂要怎麼弄出c的值了

Value Using the Mean Integrals In Exercises 47-52, find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. 47. f(x) = x3, [0, 3] [3 19 [0, 6] 4' = 48. f(x) = (x, [4,9] 50. f(x) = [1, 3] , 3] 9 - x2 49. y = , r3 - T [15 TT = 51. f(x) = 2 sec? x, 52. f(x) = cos x, 3' 3 4² 4

高三數學求解，第一題答案是1,第二題答案是121，兩題都需要！！

P1X=34) 40 # 2W 3 22 6.設0¥1且為x=1的一根,試求下列各式的值: 1)(1+w+m2+w)(1+w+m2+ 40+o+w+04)(1+w?+w3+w*)ziti , (2)(3-@)(3-2)(3 - 03)(3-4). U * (www) (1+w7W?xw4) = 27+9+ 3+1 = (3-W) (3-²) (3-2) (344) Tyd wat auch with twy w what +N+ 2W+3² +34 + 4 + 30+4 W +3² +30 = (1+wewtwt) (Hw+w²w4) At the entran tuntutan 1+2N+2W + 2W 3 + 3N4 + 3 + 4 tao 4+30 +3W² & 30² 04-0# etter ans, - - 3 W we w 2 1304 6