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数学 高校生

カッコ2で、勝手につけ加えたのに、その処理はいいのですか? また、カッコ2のlim外した時からなんでそうなるか分かりません。教えてください!

代員率 例題 202 極限と微分係数 関数 y= f(x) について f(a+3h)-f(a) を求めよ。 (1) f'(a) = 2 のとき, lim α'f(x)-ポf(a) h=0 を4, f(a), f'(a) を用いて表せ。 (2) lim x-a ズ→a 微分係数の定義 定義に戻る f(O)-f(a) ローa… f(a+ロ)-f(a) . 1 または f' (a) = lim ロ→a S(a) = lim 口 ロ→0 (1) のの形に似ている。 fla+3h)-f(a) lim fla+3h)-f(a) 3h コ=f(a)×ロ = lim h 3月→0 カ→0 /h→0のとき 3h → 0 3hをつくって調整 3hにしたい」 S(x) -S(a)をつくって調整 (2) 2の形に似ている。 af (x)-xf (a) a'{f(x)-f(a)} + ーf (a) lim = lim x-a x-a D-ズ D-ズ Action》関数f(x) を含む極限値は, 微分係数の定義を利用せよ (1) (与式) = 1 S(a+3h)-f(a) h→0→3h→0: 3ん = 3f"(a) = 3·2=6 lim h=0 fla+3h)-jL 3h 『f(x)Fdf(a)+a f a)-xf (a) fla+3h)-F (2)(与式) = lim 3h ズ→a x-a f(a) 三 {f(x) -f(a)}-f(a)(x° -α') = lim 三 9/(a)= limロ- ズ→a x-a 『ー Timld. -f(a(x+@} f(x)-f(a) の形をつくるために *ーdf(a) +¢} を追加して考える。 x-a =d'f'(a)-2af(a) (別解) x-a=hとおくと,x→aのときh→0より (与式)= Fo世代 既知の問題に帰着 df(a+h)-(a+h)° f(a) 日x-a=hより h *=a+h *→aのとき ん となり L(a+h)-f 『f(a+h)-d'f(a)- (2ah + f°)f(a) 三 h-0 h f(a+h)-f(a) h -(20+h)f(a)} im{a. h 形をつくる。 =df(a)-2af(a) 練習 202 (1) f'(a) =D3 のとき, lim S(a+2h) - f(a) を求めよ。 の を4, f(a), f'(a) を用いて表せ。 h f(a)-df(x) 4 思考のプロセス

未解決 回答数: 1
英語 高校生

回答教えてください

The Mission of the Olympics Exercises lood wod onod Iatooe T0OY 9moont uoY otil gGb g mou Fill in the blanks with the proper words. A nbrslno e'no 9p Tuov 1. My lunch consists ( ) salad, soup and sandwiches. xie od veamoY ) helping people suffering from hunger. ) the bad weather. 2. He dedicated himself ( 18c6 e T9ve 3. The game was canceled due ( 4. The climbers finally made ( to the top of the mountain. P Taunon ont) to of Taob 5. The people praised her ( ) her courageous action. T9 amgbun etw bre nenogar B Change the verb in the parentheses into its proper form. 1. I(watch) the TV show three times ifI watch it again. do 2. Tom is proud of ( pass) the difficult test last year. 3. I thanked him for ( do) so much for me. bhim orolad 9 4. I'm ashamed of ( act) like a child last night. olgpeg to 7od an yoAma J9g of basi blgoat tunme asd worla esibuaa C Arrange the words in the proper order. DY TomedTolbenm soat minnd 1. The concert ( by / finished / have /will) 8:00 6ottシovotqnl 9aronoxe 2. Mike(five / have / moved / times / will ) if he moves again. low 3. By the time her plane arrives at the airport, I (for / for / have / her / hours / three / waited / will ). 4. The child finally ( admitted / broken / having / the dish ). 5. They (at / depressed / having / the game / lost / were) yesterday. Complete the following English sentences to match the Japanese. 1. 父は明日で30日間休みなしで働くことになるだろう。 My father without a break tomorrow. 2. 彼女はオリンピックで金メダルを獲得したことを誇りに思っています。 od Tbal elo Ncbnela rab She at the Olympic Games. em hgd.ueup Tekml ola Tnemi let-nem 39

解決済み 回答数: 1
英語 高校生

36,37,38の答えが分かりません。 どなたか教えていただけませんか?

asked strange questions so that the answers would sound funny and make them smile. that answer was true or not. Later in the interview, the volunteers were deliberately In the study, the scientists conducted interviews with volunteers. The volunteers recent study by scientists at the University of Portsmouth has shown that people can When people communicate face to face, they do not just communicate by speaking language. There are other factors involved, such as gestures. If the person you are tell if a speaker is smiling or not even without seeing their face but just by listening were asked to answer all questions with “I do in the summer,” regardless of whether talking to frowns, you know that he or she is unhappy. Whena person laughs during a conversation, you can tell that that person thought something was funny. However, a The interviews were videotaped with the purpose of gathering samples of different C 35) Smiling from Ear to Ear to their voice. of smiles. The scientists then analyzed the smiles. types According to the scientists, there are as many as 50 different kinds of smiles. T he researchers then had different group of volunteers listen to the audio portion of the recordings. This group of volunteers could tell what kind of smile the speaker had on his or her face by just hearing their voice. This indicated to the scientists that the voice has characteristics that communicate feelings and that people can interpret them. Another study also suggests that customer satisfaction is closely related to friendliness. As we all know, the best way to show friendliness is to smile. Researchers think that using the smiling voices in products or services effectively, Such as answering systems and computer programs, can contribute to better customer service. This can also be applied to hiring and training staff. Since people can tell ifa smile is real or not by a person's facial expression, and it has been proven that people, for example, customers can tell if a staff member's smile is real or not just by listening, then smiling not only from the bottom of your heart, but with your voice may be a g0od way to improve business.

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英語 高校生

この教科書のレベルはどのくらいですか教えください この教科書でどのくらいのレベルの大学まで対応できますか?

1 On 10 February 2009, at a height of about 800 kilometers above Siberia, an American satellite collided the first such height [háit] satellite [séetalait] collide(d) [kaláid(id)] with an old Russian satellite. It was collision [kaligan] collision in the history of space development. As a result, fragment(s) [fráegmant(s)) debris [dabri:] more than 1,000 fragments of debris were scattered into space. 2 The image above shows the vast amount of space debris in orbit around Earth. Approximately 22,000 vast [váest] orbit [5:rbat] approximately [aprá:ksamatli) objects larger than 10 centimeters across are floating around Earth. Of these, about 16,000 are from known 10 considering [kansidarig) artificial [a:rtafijal] currently [ks:rantli] operation [a:paréifon] Considering that there are only about 1,000 artificial satellites currently in operation, the amount of Sources. space debris is astonishing. This space debris is not only due to the collision of satellites. For example, when rockets reach space, they s 15 leave behind surplus engines and fuel tanks. These objects remain in orbit as space debris. In addition, surplus s5:rplas] there are tools that astronauts have dropped while tool(s) [t:l(z)) astronaut(s) [astrand:t(s) aluminum [ala:manom per|par] working outside. Even a one-centimeter aluminum ball. when orbiting at a speed of around 10 kilometers per 0 bullet [bálat] second, is far more powerful than a bullet from a gun. gun [gán]

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