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English Senior High

214の回答がDになる理由がわかりません。 製品の安定需要という内容はどこから読み取れるのか教えてください

Samuels LAX, announced on Movey that it will spend $1 billion to build nylon production and processing facilities in Singapore to serve the Asia Pacific region. Construction of the 45,000-square- meter plant will take two years. When the factory is complete, it will employ over 500 workers and have an estimated annual production of 60,000 tons of nylon and nylon components. According to company spokesperson Michael Tan, the plant will be equipped with the same advanced technology used in Samuels plants in India and Canada, enabling the company to price its nylon competitively. The nylon products will be sold to 213. What is the purpose of the article? (A) To publicize new merchandise (B) To discuss a company's plans for expansion (C) To explain a problem with a product (D) To describe the layout of a factory 4 Part Part applications. companies throughout the region for use in various industrial textile The Asia Pacific market for nylon has remained strong over the last decade, with the majority of purchases coming from the automobile manufacturers, Samuels is hoping that the efficient production from the new factory will position it to become a leader in the market. It will face stiff competition from Haring Corporation, the current leader, and from several other large chemical companies that ship nylon products into the area from Europe and Africa. 214. According to the article, why did Samuels Ltd., choose to target the Asia Pacific market? (A) It can ship in products from its existing plants. (B) There is no competition in the region. (C) Raw materials are available locally. (D) There is a steady demand for the product.

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Mathematics Senior High

数2高次方程式 場合分けを2を基準にしてやっているのはなぜですか?

重要 例題 68 高次不等式の解法 次の不等式を解け。 ただし, a は正の定数とする。 x-(a+1)x2+(a−2)x+2a≦0 指針≫ まず,不等式の左辺を因数分解する。 因数定理を利用してもよいが,この問題では,最低 次の文字αについて整理する方が早い。 STARS AL (x-a)(x-B)(x-x)≧0の形に変形したら、後は各因数 x-α, x-β, x-y の符号を調べ て, (x-a)(x-β) (x-y) の符号を判定する。 なお, a, B, yに文字が含まれるときは,α, β, y の大小関係に注意する。 解答 不等式の左辺をαについて整理すると (x²-x²-2x)-(x²-x-2)a≤0 x(x+1)(x-2)-(x+1)(x-2) a ≤0 よって [ [1] 0<a<2のとき 右の表から,解は (x+1)(x-2)(x-a) ≤0 x≦-1, a≦x≦2 [2] α=2のとき 不等式は (x+1)(x−2)≦0となり, (x-2)≧0であるから x-2=0 または x+1≦0 ゆえに, 解は x≦-1, x=2 [3] 2<a のとき 右の表から,解は x≦-1, 2≦x≦a [1]~[3] から, 求める解は 0<a<2のとき x≦-1, a≦x≦2 a=2のとき x≦-1, x=2 2 <a のとき x≦-1, 2≦x≦a xC x+1 x-a x-2 f(x) ([1] f(x)=(x+1)(x-2)(x-α) -1 x-x2-2x |=x(x-x-2) x+1 x-2 x-a f(x) - - - =x(x+1)(x-2) ... - 0|||||0 - -1 0 - +|||||+ 0 +bx+(atxi$=3= - [3] f(x)=(x+1)(x-2)(x-a) 0+01 + 0 +| | | | | +: a - +|+|| の T + + 2+ 0-0 :++ + + - 1 - +/+/+/+ a 0 + + + + + + *** 0 + 0 +

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