220. x>2においての増減表ではないのですが これでも大丈夫ですか？？

338 基本例題220 不等式の証明(微分利用) 次の不等式が成り立つことを証明せよ。 (1) x>2のとき x3+16>12x (2) x>0 のとき x 4-16≧32(x-2) 指針 ある区間における関数f(x) の最小値がm ならば,その区間において, f(x)≧m が成り つ。これを利用して,不等式を証明する。とは ① 大小比較は差を作る 例えば,f(x)=(左辺) (右辺) とする。 [②] ある区間におけるf(x) の値の変化を調べる。 ( ③3 f(x) の最小値を求め, (区間における最小値)>0 (または≧0)から、f(x) (または ≧0) であることを示す。 なお, ある区間でf(x) が単調に増加することを利用する方法もある。 →x>aでf'(x)>0かつf(a)≧0ならば, xa のときf(x)>0 【CHART 不等式の問題 解答 口 (1) f(x)=(x+16)-12x とすると ① 大小比較は差を作る 2② 常に正⇔ (最小値) > 0 f'(x)=3x2-12=3(x+2)(x-2) f'(x)=0 とすると x=±2 x≧2におけるf(x) の増減表は右のように なる｡ よって, x>2のとき f(x)>0 したがって x³ +16>12x (2) f(x)=(x^-16)-32(x-2) とすると自 f'(x)=0 とすると x>0 におけるf(x) の増減表は右 のようになる。 ゆえに,x>0のとき, f(x) は x=2で最小値0 をとる。 よって, x>0のとき したがって p.328 基本事項 3, 基本 211 f'(x)=4x³-32=4(x³−8)=4(x−2)(x²+2x+4) Sp x=2 f(x) ≥0 -1632(x-2) XC f'(x) f(x) 0 次の不等式が成り立つことを証明せよ。 r3 +3>3x x 2 f'(x) + f(x) 0 > ... S-)(ph+ps 2 0 + 極小 0 7 別解 (1) x>2 f'(x) >0 f(x)=(左辺) (右辺) 演習26 ゆえに,x>2のとき f(x) は単調に増加する。 よって,x>2のとき f(x) f(2)=0 すなわち f(x) ◄x³-8=0k 2 満たす実数解は x=2のみ。 [f(x) の最小値] 20 38 演 x, (1) (2) 指針 [CH 解 (1) 整 y こ (2) fc 2 に 検 (17 練習

2 ifの問題です。 受け身なのでOが欠けている状態なので完全分をもってくるア、ウ、オは消しました。byのところにorがあっためifは-かどうかって訳すifだと思いましたが、選択肢にwhetherがなかったためわからなくなり、後ろに不完全文もってこれるwhichにしましたが... 続きを読む

2 この問題は、 解答欄 21 34 に解答すること 次の英文を読んで、後の問いに答えなさい。 (36点) You'll be surprised by how much a flight attendant can learn about you simply by greeting you at the door of an airplane. V People fly for all sorts of reasons, which means their moods, their expectations, and their baggage will differ greatly. These days, with air travel A due to the global COVID-19 pandemic, the simple act of flying has taken on a whole different character with new rules and questions about existing policies (like whether you can bring food on a plane). Flight attendants are experts on every aspect of air travel. They know B to look for, what sets off alarm bells and C to handle a variety of situations at a moment's notice As soon as you step onto the plane, you can bet that they're making some quick observations - it's one of the things your flight attendant won't tell you.) When you step onto the planel you're usually giving off some kind of energy, and flight attendants are in a special position to observe it since they're usually welcoming passengers onto welcoming Far (1)) the aircraft. "Greeting at the door, we notice if we are acknowledged by a smile or a returned (2) hello," says Avalon Irizarry, a flight attendant for American Airlines. And unsurprisingly, if you do return their greeting, you're automatically going to make a better impression. The [7 you / (3) 1 make / will / I flight attendant/one word / like / a]. [If If you notice a flight attendant examining you up and down, the chances are that they're observing your clothing and accessory choices. "You'd be surprised at what people wear!" says Irizarry. "When you're sitting for hours in a metal tube, it's interesting to see people wearing high- heeled sandals and complicated clothing that looks uncomfortable and impossible to adjust and

この整序問題の解答を教えて欲しいです‎^_^ よろしくお願いします。

ⅣV [ ]内の選択肢によって空所を埋め, 日本文の意味を表す英文を完成すると き○印の空所に入れるものは何ですか。 その選択肢の番号をマークしなさい。 (1) よくあることだが, エマは家にいなかった。 Emma was not H her. aras (2) at (3) case 4 home I5 is it 6 often ph the B8 with] (2) 私は彼に家賃を前払いしてくれと言った。 rs deinsge I y[ his 2 in him 8 pay] [one 10 than (3) 彼はとても運がいいのでうらやましい。 tom He is avab att O baduniban olevab [da 2 envy 3 him 4 I 5 lucky 6 man 7 SO 8 that] ve of O 3 asked 4 to 5 advance b6 "ndinurg daid lemon adj season 8 lasted] 解答番号 26 hin sed poltuloyo Insigoloid yea ceb To It si hlasy disqesebi (4) 彼女はドラマに何本か主演したが,どれも1シーズンしか続かなかった。 signa tai "malodas ad of goligarch 29 She starred in a series of dramas, brinio sit am bOglumur vion of 03 8033. auonoatog novo 3 which 4 morem 5 of 6 none ng di bogats und maul 解答番号 27 Thes rent #28

②答え教えて下さい。書き込んでいる所は気にしないで大丈夫です。

3 3 -] p.65 We've already developed some useful tools with AI. p.63 For example, have you ever used a cleaning robot? This robot was invented to (2) STUDY IT! • clean rooms automatically. It adjusts its power Q to the amount of dust. It recognizes obstacles Ⓡ in rooms. After cleaning, it returns to its station. he 16 These functions are controlled by AI.

この問題教えてください

料理, ます。 ンジ ヤガ 刻 肉 肉 う upractice 日本語に合うように,( Hop 1. 私は、以下のような理由により, 制服で通学することに賛成します。 I support ( ) ( に適切な語を入れましょう。 First, we can ( to school. ) time because we don't have to ( 2.まず, 学校へ着ていく服を選ぶ必要がないので,時間を節約できます。 ) to school for the following reasons. 3. 次に、学校へ着ていく服をたくさん買う必要がないので,経済的です。 Next, it is ( ) because we don't have to buy a ( to school. ) clothes to wear ) of clothes to wear Step 日本語に合うように,( )内の語を並べかえましょう。 1. 私は,以下のような理由により、 私服で通学することに賛成します。 I support (clothes / our / own / school / to / wearing) for the following reasons. 2.まず, 制服を買わなくてすむので, 支出を抑えることができます。 First, (avoid / can / expenditure / extra / since / we) we don't need to buy school uniforms. 3.次に,私服を着ることによって、 自分らしさを表現できるようになります。 Next, (can / express / learn / ourselves / to / we ) by wearing our own clothes. Jump 日本語に合うように、英語に直しましょう。 1. 地球の温暖化を避けるために, 日々の生活の中でできることを考えてみましょう。 (global warming) 〈electrical appliances 〉 2.まず, 使用していない電気製品の電源をこまめに切りましょう。 3. 次に,出かけるときは, なるべく公共交通機関か自転車を使いましょう。 〈 public transportation 〉 4. さらに, エアコンを使わなかったり, 設定温度を調整したりして, 節電に心がけましょう。 〈temperature >

青丸のitsは何を指していますか？

For many athletes with disabilities,/ 障がいのある多くの運動選手にとって wheelchairs are their legs/ and/ are そして 車いすは彼らの足です important tools.// 重要な道具です Ishii Shigeyuki,/a motorcycle racer and 2 石井重行さんはオートバイのレーサーで the founder of OX ENGINEERING,/started オーエックスエンジニアリングの創立者 (である) to make his own wheelchairs/after he got 彼自身の THE 車いすを作り始めました 彼がけがを injured/in an accident.//* Later,/his company したあと ある事故で 3 のちに 彼の会社は began selling its oniginal wheelchairs.// 独自の車いすを販売し始めました Each athlete has different physical 4 それぞれの運動選手には異なる身体の conditions and playing style.// OX 状態やプレースタイルがあります 5 ENGINEERING's wheelchairs are made オーエックスエンジニアリングの車いすは作られています to fit each athlete's needs.// The company 各選手の必要に合うように その会社は finely adjusts wheelchair parts/after the 7 車いすの部品を細かく調整します sales.// These wheelchairs strong supports/ for many 支えになっています disabilities.// 運動選手にとって 6 販売後に have become これらの車いすは強力な athletes with 障がいのある多くの OS

こちらの問題の答えと、その理由を教えてください！

|PART 6 Text Completion (長文穴埋め問題) (4問) 次の文の4つの空欄に一番適当と思われる答を A B CD) から選びなさい。 Text: Product Information nt (0) There is a new and exciting vegetable turning up on plates in homes and restaurants everywhere. This formerly "boring" vegetable is suddenly flying the supermarket shelves and selling like hotcakes. What is it? Believe 1. it or not, it's cauliflower. This versatile veggie can be mashed, roasted, or fried like a steak. Driven by consumers' interest in alternatives to white rice and white bread, demand for cauliflower has skyrocketed. It has been everything from starters to pizza crust. It makes an excellent substitute potatoes and even for rice. 26 "Cauliflower rice" is made by running the cauliflower through a food processor and then lightly cooking the pieces in oil. It contains one-tenth the calories of white rice and is a good source of vitamin C. It's become so popular that some supermarkets are limiting customers to just two bags.--.--. So if you want to freshen up your dinner table, you can't go wrong with good old cauliflower. 4. 1. (A) away (B) into (C) above (D) off 2. (A) turned into (B) turned up (C) turned on (D) turned around 3. (A) to 2. 3. (B) from (C) for (D) with

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24 25 26 27 A: This room looks a lot larger than before, doesn't it? B: I just ( ) ( )))( (7) I (I) need (ア) (エ) A: How long will it take ( B: It'll take three days, sir. (7) to (1) the size (1)-(3) A: When ( B: Just a few months ago. (7) upgrade (1) a system Þ(*)-(1) (7) as (1) the day (1)-() (1) that (*) everything (1)-(7) A: Can we set ( )( B: How about starting at four? 2 (1)-(1) ))( )( (1) adjusted (+) have (1) did (*) was 2 (1)-() (1) in (+) for ))( 2 (3)-() ))( )( )( ))( () didn't () threw out 3 (1)-(3) 3 (1)-(1) (¹) of (h) this suit )( )( 3 (A)-(+) () the last time (h) you ))( () our meeting (h) as late (エ)-(カ) ). ∞ (*)-(H) ➜ (ħ) − (1) )? )( __)? ➡ (#)-(★) ) possible? (4)-(H)

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ⅢI. 次の 24 24 25 27 26 ~ 27 の各対話の空欄に下記の(ア)~ (カ) の語(句) を並べ換えて入れ、英文を に入る語(句) の組み合わせとして最も適切なものを. の前後 完成させなさい｡ ただし、 答えは(__ それぞれ の順番とする。 A: This room looks a lot larger than before, doesn't it? B: I just ( (ア) I (I) need (7)-(H) A: How long will it take ( B: It'll take three days, sir. (7) to (エ) the size (1)-(3) の中から一つずつ選びなさい。 組み合わせは英文中の A : When ( B: Just a few months ago. (7) upgrade (1) a system (ウ)(イ) (7) as (エ) the day (イ) (カ) (イ) that (オ) everything (1)-(7) 2 (1)-(1) ))( A : Can we set ( )( B: How about starting at four? ) ( (イ) adjusted (オ) have (イ) did (オ)was (ウ)(カ (イ) in (オ) for 3 (1)-(3) )()( )( (ウ) (カ) ))( (ウ) didn't (カ) threw out )()( )()( (ウ) of (カ) this suit 3 (1)-(1) )( 3D(カー(ウ) ))( (ウ) the last time (カ) you (ウ) our meeting (カ) as late ). (エ)-(カ) &(4)-(I) )? (*)-(H) ) ___________)? (カー (オ) ) possible? (カ)-(エ)

2のAのthey say 〜のところが分かりません 他にも間違いがありましたら、教えて頂けると幸いです。

Rico to see my relatives. I need to go shopping to get a suitcase. I have to go online to find a flight. A Complete the conversation extracts. Use infinitives for reasons and it's / is it + adjective + to. Then practice with a partner. B A 1. A I'm going to go to Tokyo to study Japanese (go to Tokyo / study Japanese) next month. I'm staying with a family on an exchange program. I just got my visa. Wow! So, is it here me story to logo (necessary / learn some Japanese) before you go? Well, yeah. It's nice to say It's important to know) to fly? (NOT is expensive to fly?) It's easy to find a cheap flight online. (NOT is easy...) Is it easy to find bargains online? It's easy to do. It's not hard to do. 2. A I need to buy a gidebook B So, is it only to get mund A Well, they say. be a verb. It to any to get lost In conversation The top five adjectives in the structure It's to...are hard, nice, easy, good, and Important. I want to read to get a phrase book (get a phrase book / read) on the plane. get a phrase book to read come ids (buy a guidebook / get some ideas) for sightseeing, too. (easy / get around) Tokyo? (nice / say "Thank you") and things. (important / know a few expressions) I think, so (not hard/use the subway). But I heard (easy/get lost) when you're walking around. 3. A I need to go to the bank to che stave macy (go to the bank / change some money) too. I heard it is good to have some Ons (good / have some cash). You know, you need to pay for taxis to carry so cah (carry some cash / pay for taxis) and things. B It's not possible to pay A Not really. It's not pos (not possible/pay) for everything with a credit card? (not easy/do) that. do B Pair work Choose a country to visit. Role-play a conversation about preparing for the trip. ation above for ideas. Think of more questions to ask. ival in Rio.