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Mathematics Senior High

赤線のところなのですが、解答と私の範囲の、違い?を教えてください。 私の範囲ではダメなのでしょうか。

138) E DOO000 基本例題 81 2次関数の最大・最小 (3) aは正の定数とする。 0≦x≦a における関数f(x)=x2-4x+5 について,次の 問いに答えよ。 (1) 最小値を求めよ。 指針 区間は 0≦x≦a であるが, 文字αの値が変わると, 区間の右端が動き, 最大・最小と なる場所も変わる。 よって、 区間の位置で場合分けをする。 [1] 軸が区間 の外 (1) y=f(x)のグラフは下に凸の放物線で,軸が区間 0≦x≦αに含まれれば頂点で最 小となる。 ゆえに, 軸が区間 0≦x≦αに含まれるときと含まれないときで場合分け をする。 [3] 軸が区間の 中央より右 ・軸 最大 (2) 最大値を求めよ。 区間の 中央 最小 (2) y=f(x)のグラフは下に凸の放物線で,軸から遠いほどy + S-8-15+ の値は大きい (右の図を参照)。 よって,区間 0≦x≦4の両端から軸までの距離が等しくな るような (軸が区間の中央に一致するような) α の値が場合 分けの境目となる。 最大 最小 [4] 軸が区間の 中央に一致 軸 (0) 3+x+ [1] las2 のとき 図 [1] のように,軸 x=2 は区 間の右外にあるから, x=α で 最小となる。 最小値は f(a)=a²-4a+5 [2] 軸が区間 の内 [1] ●最大 f(x)=x2-4x+5=(x-2)+1 解答 y=f(x)のグラフは下に凸の放物線で,軸は直線x=2 (1) 軸x=2が0≦x≦αの範囲に含まれるかどうかで場合 分けをする。 ←区間の両端 [5] 軸が区間の から軸まで 中央より左 の距離が等 しいとき。 区間の 中央 x = 0 軸 小 最小 -x=a 軸 x=2 基本80 FEROOMARt | ◄ƒ(x)=x²-4x+2² -2²+5 #CAY 最大 区間の 中央 指針 の方針。 軸x=2が区間0≦x≦a に含まれるかどうかで、 最小となる場所が変わる。 区間の右端で最小。

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English Senior High

一枚目 長文 二枚目 問題2と3と5 三枚目 2と3と5の答え 解説お願いします! ※一度質問したのですが返信なかったので!!

possove. 5 M Reading 目標 20分 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 What is a "*remote meeting"? It is almost the same as a “virtual meeting” meeting." In any type of meeting, such as "face-to-face or remote, people get together qiu zonizud & no of guirsom & mort insed gnibsof biqsЯ to *present ideas and make decisions. It can be a meeting to get something done. The difference between a real face-to-face meeting and a remote meeting is that bemeonoo elgoeq ert of *participants of the remote meeting are just not in the same *physical space. Pris 229 awollot as prinqa aidt else no op lliw doirlw axinib wer no gníteem & blor lliw ew Instead, they are connected by phones or the Internet. There are several types of 00:01 moil (OUT) & emul emit bns ef60 10 the others, or just *audio. SOE mooЯ prile:90619 remote (3)sessions. Among them, the group call is widely used because it is musob bainn: 1sdW beneviled need senis even Jari Inib wan juods "handy. (4)This type of remote meeting does not require any extra "equipment other vab terlt no `noitatezen s exem than a cellphone or computer. It can be a video call, with each participant seeing al the group call. or an 3 of un Selnemusob srit top etnsqiiheq lliw nerWa .navig sd lliw anmusob o It is easy to *participate in, but (5to have an "efficient meeting, the number gnijem od noted vabadu yd naviy od lliw yodT participants should be limited. *Ideally, there should be *at most ten participants Spnitsem erit te ob of benlupen ineqioihsq ens terW 1 remote [rimóut]: 3 present [prizént]:・・・を提案する, 口頭発表する 5 physical [fizikl]:物理的な、実際の 10 audio [5:diòu]: 27 "online 2face-to-face:対面の,面と向かっての 12 ideally [aidí:ali] : 理想を言えば viste zlez s no noitsins29nq a ovis (163 wo alnih won no noizzuvzib & oved of hast chao T 5 participant [pa:rtísəpənt]: 8 handy [hændi] : 11 1 participate in...: ... に参加する 12 t 8 equipment [ikwipmənt]: 11 efficient [ififant]: **

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English Senior High

一枚目 長文 2枚目 問い この答えとその理由を教えていただきたいです。

Animal Reading 目標 20分 速読問題 次の英文を2.5分で読んで, 1. の問いに答えなさい。 コー One day I was walking with my dog on a mountain. It was a fine day, and I felt good. eventext neblo My dog was running here and there around me. Suddenly he stopped and began to (突然) (Pol) move very carefully. When I looked toward him, I saw a baby *sparrow behind a tree. Tvom 20 tohside.] & (nton) (a3e312) nibes biqui It was so young that it couldn't yet move. My dog was going to catch it. (Just then brid yded a qls Or Leuten zi nirvoy bruodino (otain) 5 the mother sparrow cried out, came down 970519 nose. (fly from the tree, and flew just under the dog's od com toiltom all gainst) ni od zem hid (2)She wanted to help her baby. She did not think about herself. To the sparrow the dog was a monster. How large the dog looked to the sparrow! eirit to seura The mother sparrow was not afraid of anything, so she was able to fly down from 1979woll the tree to the dog. Then my dog stopped moving, and watched the bird for a lemins vigoud syd bodontie od lliw ibrid yded or qu diq j'aob vozli s 10 while. Soon he began to move back. He felt that the sparrow was not afraid at all. mod bridded surgi (原艇) slil z vez lliw toq s26 92157 07 I was impressed by how brave the mother bird was I knew she loved her baby impressed deeply I called my dog back and left the place. 14 (4 3 sparrow [spárou] : ^^^ Wel CAN-DO List □ 1. この <知識・技能〉 第2文型について理解できる。 <思考力・判断力・表現力〉 動物の親子の愛情について的確に理解できる。 a. (189 words) b d. 精読 2. 下 3. 4. 5. 6

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English Senior High

ここのマーカーで引いている部分の訳し方を教えて頂きたいです!

adulthood began, I would stick it on that Thanksgiving weekend in 1981. I was seventeen. While my roommate packed her bag to go home on Wednesday, I walked to a supermarket with a shopping list. I had borrowed a copy of The Joy of Cooking from the library when I realized ( 1 ). I found five other students who lived in other *dormitories who also had no way of getting home and invited them to dinner. It never occurred to me to ask someone if I could stay in my room. It was my room, after all. But on Wednesday night, when the heating in the dormitory was turned down to whatever temperature was needed to keep water from freezing in the pipes, I wondered if maybe I'd been expected to leave along with all the other girls. Too late now. The office was closed until Monday morning. In those days, before cell phones and the internet, such problems were solved not by changing my coat. the situation but by changing yourself. I put on another sweater and (3) I suppose before I went to college I had been very modestly helpful to m mother on Thanksgiving. When she asked me to peel a vegetable, I peeled it, an hen went away to watch the Macy's parade on television until she called me ba o peel something else made no effort until 1981, when the Thanksgiving din at people were coming to was mine. That was when I started cutting fro atter into pea-sized *chunks with a frozen knife in my frozen hands to mak ie crust. ② 2 -

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