(2)なのですが丸がついているところからx=0がわかるのですよね？ 計算の仕方とそもそもどうしてその式から値が出るのかが分かりません。

指数関数を含む関数の最大値·最小値の求め方をマスターしよう! STEP 2 解法MASTER テーマ8 指数関数を含む関数の最大·最 目標 [例題8} 関数y=4"+ 4* ー-2(2"+)+4 がある。 2* 1 -=tとおくとき,yをtの関数で表せ。 2* (2) yの最小値を求めよ。また,そのときのxの値を求めよ。 考え方 yをtの2次関数に帰着させる。tのとり得る値の範囲に注意する。 解法のプロセス 1 =tとおき,xの関数からtの関数に置き換える。 2* 0 2*+ tのとり得る値の範囲を相加平均と相乗平均の大小関係を利用して求める。 3tの2次関数に帰着させて,最小値を求める。 解答 2 =1の両辺を2乗すると (2"+)- +2+-P 1 2x+ 2* 4*+2+ 4* よって 4*+-=-2 4* したがって、与式は y=(t?-2)-2t+4 すなわち y=-2t+2 …答 (2) g(t)=D?-2t+2 とおくと g(土)3 (t-1) +1 1 2*> 0, ->0であるから, 相加平均と相乗平均の大小関係により 2* 2* =2 2* 1 等号が成り立つのは, 2*=- 2* すなわちx=0 のときである。 ソ=g() 1 よって t=D2*+ -2 最小 2* 2 以上より,t22において, y=g(t)の グラフは,右の図のようになり, g(t)は t=2のとき, 最小値2をとる。 1 0 1 2 ここで、t=D2 となるのは, 2*=- 2* よって, x=0のとき, 最小値2…答 すなわちx=0のときである。

助けてください❗️

5 次の英文を読んで, 設問に答えなさい。 Forty-two kilometers is a long way to run without stopping. But twenty-thousand *competitors with a lot of energy try to do that everv vear in the Boston Marathon. The race is the oldest marathon in the world held each year. Men and women aged eighteen and over run in the marathon. Some competitors are much older than eighteen. Some runners are seventy 1) and older. But most of the nunners are younger than forty. 5) Winners share five-hundred-twenty-five-thousand dollars in prize money given by companies and organizations. Runners in the Boston Marathon have shown that they are good at the sport. They completed earlier marathon races called *qualifying races. They had to run those races withina set time. Other people join the Boston Marathon just for fun. these people have not officially joined the race. They just start running with the crowds. They are called "bandit." Many of them probably will finish hours after the serious runners. But these unofficial racers are just happy. They sometimes kiss the ground after crossing the finishing line. Before the marathon begins, a *computer chip device is attached to each runner's shoe. It electronically records the runner's time. Timing begins when a runner passes another device placed across the road at the starting line. The computer chip records each runner's time as he or she 10) passes several points along the race. It records the runner's final time when crossing the finishing line. Running has gained popularity for several reasons. You can do it anywhere, any time. You do not need other people, and you do not need much *equipment. However, experts say you should wear a good pair of running shoes to protect your feet. The manufacture of running shoes has become a huge industry. 15) (注):competitors 競争者, 谷 qualifying races 参加資格選考レース ftow ol jcaw yilnot computer chip device コンピューターチィップ装置、 equipment 装備 m ow o1 sVed I ( Tmm ow vami (下) 次の英文(ア)~(ソ)の中から, 本文の内容と一致するものを5つだけ選びなさい。 (lo buid ev adT (T)(5) 問 ab gnidaaw ucoM (マ) (ア)Boston has held a marathon each year longer than any other city has. ood l I () 5 解答欄 各6点 d a V bastl yod d aw The number of competitors in the Boston Marathon is limited to no more than ten-thousand. T. (ウ)Competitors in the Boston Marathon are at least eighteen years of age. Vab balbom (エ) The majority of the runners in the Boston Marathon are over forty years of age. bad d (オ) The winner of the Boston Marathon receives five-hundred-twenty-five-thousand dollars in prize money given by companies and organizations. xe (カ)Some of the official runners in the Boston Marathon have never run a marathon before. ld (キ)In order to officially enter the Boston Marathon, a runner must run a qualifying race within a set time. (ク)The people who join the Boston Marathon just for fun register one hour before the race. (ケ)Most of the unofficial racers are much faster than the serious racers. pbo dh al oinogiojeg olmd boresvan nis nd aT (コ) The unofficial runners sometimes kiss the ground after crossing the starting line. (サ)A computer chip is attached to each runner's shoe to record electronically the time it takes a runner to run the race. (シ)The only times recorded are the starting time and the finishing time. 00 lod lt (ス) Unofficial runners are often happy because they get better chips in their shoes than official runners get. (セ)The recording of the race time starts when the runner crosses the starting line. id bot odo od (ソ) Running has gained popularity for only one reason.

なぜLeading anthropologistsで有力な人類学者になるんですか？解説お願いしますm(_ _)m

1購 強調 代動詞の do STEP UP 35 られる。 を結びつけている.ここは, 内容か 的すぐにわかる. が、「能力の成長[増大]」 と意をとるとうまくいく。 詞の that で主格である。 については,以下を参照。 * as far back as.. . STEP UP 36) 当なる原級比較表現と考えると意味がとれないas as~の表現があ z それは as ~の部分に主に数詞とか,数量に関わる語句がきている場合 話者が予想し想定していた基準と,くい違いがあったことを強調する as as+A(数詞)「A(と同じほど)も」 る。 に意思を伝え合うわれわれの衝動, そしてそうする能力の増大であった。 表現である。したがって, as as の には,意味に応じていろいろな ものがくる.主なものとして,次のようなものがある。 ③下線部(b) Leading anthropologists are now of the opinion that it was not so much aggressiveness asability to cooper. ate that gave the earliest forms of mana superiority over others of the ape family, and co-operation entails communi- cation. as long as two hours( 2 時間も) as many as ten mistakes (10個もの間違い) as much as five pounds ( 5 ポンドも) as far as 1000 miles(はるばる 1000 マイルも) * テーマ 29.30 not so much .. ( というよりもむしろ~)で結 で強調されている点を 1 as ~~ びつけられた名詞句が, 強調構文 It was that ~ ここでは far back が来ているので「 もさかのぼるほど前に」と意をと 見抜くことがポイント. that以下が gave(V) +the earliest forms of man (0) +a superiority (0) となっていることから, 先の下線部(a) と同様,主語 が強調されていることがわかる. この文も本講のテーマに関わっていたわけ る。 …, or hominids の or の用法には注意 ,or ~の形の時に,「つま リ/言いかえれば~」の意味になる場合がある。本文もこの用法, 不 had mastered は, 過去の時(ここでは75万年前)よりも前の時を示 したかったので, 過去完了形が用いられている。「すでに習得していた」の ,なお, 6の what had been ..も同じように考える。 だ。 なお,強調構文ではこの下線部のように, 強調されている部分に, not .… but ~/not only but also ~/not so much. . . as ~/ rather uier といった相関的に用いられる表現が入り込んでいる場合も多い、こ 表現上,知っておいてよい知識だ。 得していたものがあった。 らしか判断できないので, 難しいところ. ..と co-(S) +(V) .. .う 130 131

これwhichは無いんですか？

-6 関係代名詞の非制限用法 (p.284) (Pet)Irode at that amusement park was really thrilling. 79. The roller coaster / The roller coaster I ròde at that amusement park was really thrilling. あの遊園地で乗ったジェットコースターは本当にスリリングなものだった。

これwhichは無いんですか？

-6 関係代名詞の非制限用法 (p.284) PlNet)I rode at that amusement park was really thrilling. -79. The roller coaster( / The roller coaster I ròde at that amusement park was really thrilling. あの遊園地で乗ったジェットコースターは本当にスリリングなものだった。

195番です being twice toldの場所なのですが、 なぜtwiceがbeingの後ろなのでしょうか? twiceは副詞なので、toldの後ろにはならないのですか? 写真見にくくてすみません

もちお GAGI PAG 1 192 The more/ Vthought about it/ ( 十) certain, MO□ Jekyl/was mad, D even more bv2 the more 3 mostly るま ④ it was almost [e\f00\pom]+ ++ 193 早く終われば, それだけ早く帰れます。 口 The faster/we finish, ( leave / the / can / we / sooner ). 素 194 She saysshe loves him all ( aerm for his character. ncp D (1)more 2 less 3 the more the most for being twice told. 195 Agood tale/is hone the ( ロ 0 (1 least (② worse ③ excellence ④ good 星) se tolol ぜここ?

英語長文 構文 6段落②の英文の主語述語や❓️がふってあるところの役割が分からないです。回答、よろしくお願いします

Lastly, my dad said the noisy honking that draws your attention to a flight of M6 0 の geese also has its purpose. He told me the noise came from the geese at the back of the V” honking encouragement to the geese in the more difficult roles(at the front of the “V"} 7 The migrating geese flew on to their destination in Canada. The memory of that

本文2段落目の最終文、well,why can't I?はなぜわたしにはできない？いやできるでしょ！みたいな意味でしょうか？？ 〇なんで私には出来ないんだろう。 〇ヘミングウェイもできたんなら私にだってできるでしょ。 どっちなんだろうと思いました、、、 どなたか教えて下... 続きを読む

48 B** You found the following story in a magazine. ol bon tote Hemingway and I Ryoko Yamanaka (Novelist) The author m. の Chicago Chicago 問1 Fukuoka Fukuoka の a S to be like him in the future, SoonI started to write short stories. 問2 The autho: 0 Florida O Fukuok After six years, I moved to Key West, Florida. I chose the cit.. because that was where Hemingway spent his last eight years. I majored in American literature at the university there. My future ambition was 9- linois 0 Tokyo still to be a novelist. Of course, gettinga degree in literature does not mean you can be a novelist. After graduation, I started to work in Tokyo as a journalist for an American newspaper company. Hemingway was a journalist, before he becamea novelist. He wrote about his experiences in Europe and became a best-selling author. I thought, “well, why can't I?" 問3 The at ABU For the next twenty years, I worked as ajournalist. It was a busy job. I could not afford time to write a novel. I almost gave up my childhood dream. Then, I wasin a car accident. On abed in hospital, I remembered 0 Cou 2 rea 3 wa Hemingway was heavily injured in the First World War and was sent back to America. He became a novelist after that . Fortunately, I could move my hands. I started to write novels again. At the age of 45, my first novel was published. So far, I have written five novels, all of which have been favorably accepted, luckily. I should never be a literary master like Hemingway, but at least, my ambition since childhood was fulfilled. Route A r park dos en

英文4段落目3文目のno paintを塗られていないとなくしてしまいました、塗られていないだとしたらno paintedでしょうか？？ またno paintは完全否定なんでしょうか、、？？

第4問 次の問い(A· B)に答えよ。 (配点 33) will shrink considerably over time.、This shrinkage is caused by moisture not change size too much. But wood from a tree that has just been cut down (water) within the wood escaping into the atmosphere. The drying process of Wood used in the construction of homes must be stable. That is, it must A 次の文章と図およびグラフを読み,下の問い(問1~3)に対する答えとして 2012年度 本試験 15 roo に入れるのに最も適当なものを,それぞれ下の①~④のうち 37 35 fnnu yileub から一つずつ選べ。 19unolli bomisa odt bas boow boi basg es 9120m lo . known as “seasoning. There are actually two ways to season wood. r is to allow the natural drying process to occur. The other is to put it . cnecial oven called a kiln. Kiln drying is much faster than the natural method. During the seasoning process, water is removed from the wood until the moisture content of the wood is approximately equal to the humidity of the air around it. These changes in size due to shrinkage are not uniform because changes depend on the kinds of trees, the way trees are cut, and the surrounding conditions. It is also important to note that even after seasoning, there will always be Some small changes in size due to changes in the humidity of the surrounding air. For example, last year, I used a 230 mm wide piece of eastern white pine WOod to makea cabinet door. It changed in width across the grain (Figure 1), Shrinking by 2 mm from the original in the winter and expanding by 3 mm Ine moisture content of wood changes according to the seasons even niw= from the original in the summer. um volbsoH 8. -409

答えが分からないので回答をお願いしたいです！

分It の用法· C 次の日本文に合う英文になるように,( )の中の語を並べかえなさい。 0 今日は何曜日ですか。 (of, what, today, it, is, day, the, week)? 外関の 2 1時間でこの仕事を終わらせるのは不可能だと思う。 (finish, impossible, to, it, I, this, think, work) in an hour. biow ert in an hour. ③ あなたの家から駅までどの位ありますか。 (it, your, the, is, from, far, how, house, to, station)? )文の の 私が初めてトムに会ったのはニューヨークでした。 d dood oh om g oH (was, that, in, I, Tom, met, it, New York, first). 10b8 n ai oH ide-T a giano yam 16 019dT 0 Is it necessary for us to master another foreign language besides English? D 次の英文を日本語になおしなさい。 2 As it was getting dark, they had to give up climbing the mountain.s of OTEO Tob bling vam o6 912 3 It is the red dress that she wants. ubno t outr E 次の文を it を用いて英語で書きなさい。 pe aout mpicp e Acth bobnjot oiorg 0 昨日はひどい雨でした。 yesterday. J 英文の ② 学校へは自転車でどのくらかかりますか。 Dr Smit How long ③ 彼にとってそれを独力でやるのはむずかしい。 Duain by them. まおさ by himself. Primer 19