（2）でなぜx>0なのですか

94 うちで,点(e, 2) を通るものを求めよ。 基本 例題 119 導関数から関数の決定 (1) f'(x)=xe*, f(1) = 2 を満たす関数f(x) を求めよ。 (2) f(x)はx>0 で定義された微分可能な関数とする。 曲線 y=f(x) 上の点(x, y) における接線の傾きがで表される曲線の DOOOO 1 x p.180 基本事項 1 CHART & SOLUTION 導関数から関数の決定 積分は微分の逆演算 積分 F'(x)=f(x) 微分 (1) f(x)=√xe* dx Sf(x)dx=F(x)+C なお,右辺の積分定数Cは,f(1)=2 (これを初期条件という) で決まる。 (2)(接線の傾き)=(微分係数) よって 点(e, 2)を通るf(e) =2 (初期条件) f(x)=1/2 -> 積分定数Cが決まる。 解答 (1)_f(x)=√xe*dx={x(e*)'dx=xe*(x)'e*dx =xex-fe*dx=(x-1)e*+C (Cは積分定数) f(1) 2 であるから C=2 ゆえに f(x)=(x-1)ex+2 (2) 曲線 y=f(x)上の点(x, y) における接線の傾きは f(x)であるから f(x)=1/2(x>0) よって f(x)=2x=logx+C(Cは積分定数) x f(x)== この曲線が点 (e, 2)を通るから 2=loge+C ゆえに C=1 したがって, 求める曲線の方程式は y=logx+1 部分積分法 Se⭑dx=e'+C x>0 であるから |x|=x f(e)=2, loge=1 PRACTICE 119 (1)x>0 で定義された関数 f(x) はf'(x)=ax- (αは定数),f(1)=a, f(e x を満たすとする。 f(x) を求めよ。 〔名 (2) 曲線 y=f(x)上の点(x, y) における接線の傾きが2であり,かつ,この が原点を通るとき,f(x) を求めよ。 ただし, f (x)は微分可能とする。

赤線部の部分について。 この文章のカンマの前後が同格であることがよくわかりませんでした。文脈判断しか見抜く方法はないんでしょうか？

Lesson 4 先に how to read and write (in English), and beginners are no exception. They are にも very 2 S V 構文反復 keen to learn how to pronounce English (in a way [that makes themselves understood easily]). 3 This became very clear (to Vicki), a colleague of ours Vicki の同格 [with considerable experience [teaching adult learners]]. 4 (At the time), Vicki was working (with a class of beginning-level learners [from very diverse

英訳問題なのですが誤っている箇所があれば指摘して頂きたいです。よろしくお願いいたします。

③ 次の日本文を英訳せよ。 when NOTES [国 The other 1/23 day. I visited 先日母校を訪ねてみたが, 校舎が思いのほか小さく感じられた。 the school which I graduated I found it Smaller than I had remembered it. 4 Sometimes , I hear od They seem to the couple living next door quarreli be very serious, but it sounds as if children scream -So I can't help lut lau gh ↑ laugh-laughed-laughted 4 次の日本文を英訳せよ。 時々、 隣家の夫婦のケンカする声が聞こえてくる。当人たちは大真面目なのだろうが, 大声でわめいている子どもみたいに聞こえるので, つい笑ってしまう。 <関連基本文例> 3 第2

英訳問題なのですが誤りがあれば指摘して頂きたいです。よろしくお願いいたします。

3 次の日本文を英訳せよ。 いくら言ってもあなたのお父さんがタバコをやめないんだったら, お医者さんに言って やめさせてもらえばいいじゃない。 f father will not stop Smoking whatever whatever you say, your [you should ask doctor to make him stop it.

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以続詞 25. ( ) she has gone to Paris on business, Ms. Brown is not here now. Since 2 Before 3 Though 4 When HST 〈城西大〉 26. () it was the end of the month, the bank was very crowded with customers. Because 2 Because of 3 While 27. We should not look down on a person ( ) he is poor. 〈城西大〉 4 During liw 一彼が貧しいからといって、私たちは人を見下してはいけない but because ⑩because 2 why jud nee8 90 3 and 4 but ~だからといって…なる松山大〉 28.( 4 When 〈工学院大〉 Doy ( 7 2A (1) 4 though <中部大〉 ) that you are old enough, you must do it yourself. ①Because ~ Now 3 Though 29. You should not keep pets (28) you take good care of them. 1 if unless otherwise 30. We will be able to accept your offer () that you assure us that the agreed price will stay unchanged. (*) decided 2 proposed "1 ③provided suggested ④ <学習院大 > sausood 31. "Couldn't you make the price on this car one million and a half?" 窪田 条件 "Well, all right, ( ) that you pay in advance." 1 in case 2 in circumstance ③ for good ④ on the condition ~という条件で/もしてならば 〈大阪産業大 > 32. ( ) the passenger sitting next to you wasn't feeling well, what would you do? ②Suppose 2 Remember 3 Think 4 Act 〈摂南大〉 もし~ならば

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19764975 17. It will not be long (___) she can have the transplant surgery. 1 when 2 time 3 after It will not be long before SV 4 before ④till~するまで 18. The old man watched the ship (become smaller and smaller) ☐ 19. ( 1 because guon 2 unless 3 after <兵庫医科大〉 ) it was seen no more. 〈獨協大〉 ) my son enters elementary school, he should be able to say the English alphabet. ①Before long ②By the time ③While 4 Until 11(t) 20. He had no sooner arrived at home (min) it started to rain. S had no sooner done 1 as □ 21. ( ①Fairly 2 for 3 when than 101 ... than did ・・・したらすぐに~し(札幌) ~ ) had the meeting started when an earthquake shook the building. Hardly had s done 3 Immediately Rarely 倒置形 <明治大) 2 Hardly ? 22. ( ) begun considering the solution when an 報が入ってきた came in. Hea ~したらすぐにした 2 Before the men had 4 Soon had the men 1 As soon as the men had ~~したらすぐに 3 Scarcely had the men 人間は彼らが生き残るために必要なものを生産しはじめるとすぐに 〈日本大〉 23.( human beings started to produce what they needed to survive) they set themselves ① As soon as ~するとすぐに (大) apart from animals. eogebroe 2 The reason why 4 As it is * 3 No more than 24. I knew something was wrong with the engine ( although 2 even if 3 however ) I tried to start the car. 〈関西外国語大〉 12 the moment ~するとすぐ(近畿大> ⑨the

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(訳 9. He likes ( ) the Republican Party nor the Democratic Party. neither Anor B 1 either art juods sba 2 none 1 ansiq on (2 that (3 both AもBも~ない gu④neither <亜細亜大 〉 他動の目的 ) more jobs will be available next year. had 3 what 1914 when 名詞欠けてないと使えない不完全 10. The improving economy means( C①which 11. Human beings are different from animals ( we can think and speak. 3 in that t 4 while 〈立正大〉 Gr oa C 〈新見公立大 〉 survivors of the ferry accident will be found. うしろに完全だから 1 because of 2 unless 12. Hope is fading ( 1 which (2) that 13. I asked him ( *** that 3 who 4 why ) he could swim well enough to cross the river. 横切る 2 what 3 if ~かどうか 14. Do you know (*) the teacher is married or not? aaso ni <東京国際大 〉 ) A ST felugrul Tour 4 which anol (5) gaiqa vse amoa ( ) SSP 2 what 3 whether 4 how 〈淑徳大〉 その時 jon i grz ) the phone rang. 電話がなった BA 4 what 1 that 部屋を出ようとしていた 15. I was about to leave the room, ( 1 when 2 which 16. I've wanted to visit Helsinki ( 1 since 2 until (3) that ) I was a teenager. 3 when 4 while Woll D 96) ( ) CS quorbAD 〈大阪商業大 〉 〈 立命館大 〉 ~している間

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1. Toshi likes team sports, ( 1 or 2 nor ) he watches basketball.S 3 if 2. She does not speak to us, nor ( ) appear that she wants to. ~まだしない 1 will it 2 it will (3 it does isqe 3. Put on your sweater, ( will ④or 2 so 3 then ( 4. Study hard, ( ) y you will pass the exam. <東海大) belove(**) does it badaud M (*) you ecold. 命令文に続けてor~しなさい、さもないと~ 4 if veiled one ( ①だから <東海大 > 命令文に続けてand~しなさい。そうすれば~ Dand 2 or 3 but ④if 〈北陸大〉 WORK 5. The restaurant is open (od) on weekends and on holidays. both A and B A&Bitto 2 neither 3 not 1 either 6. My true birthday is not December 12, 1990 ( 3 for 1 so 2 but Jnobute 99119 both feud autor) ) November 12, 1980. Jedol an hot A but B AではなくB <愛知産業大 〉 7. He is the most exciting player I have ever seen. He is ( fielder, too. et not only nedW 2 only as no02 a 3 such 8. I haven't met (p) her brother or her sister. (*neither ②either ) a great batter but a great not only A but B ④ both Aだけではなく噴 197 <京都産業大〉 A or B A+BaEsplan Danboth either 91019 3 each 〈拓殖大 〉

66番、67番が分かりません、、😭😭他の問題もあってますか、、？🥲

63. 間もなくその問題について議論が始まるでしょう。 (1語不要) be/ long/soon/won't before / start discussing / the issue / if / be / they )〈中央大) before they start discussing start discussing the issue It worst be long before they 64. 健康は失ってみて初めてそのありがたさがわかるものだ。 auroth We do not health/lose/ of / realize / the value until / we it. roalize the value of health until we lose □ 65. そんなにいいものじゃないけれど この古い服を着てもいいよ。 〈北里大〉 You can (even / though/clothes / old / they / these / are / wear) not very nice. 〈中央大) were these old clothes even through they are 66. 私はとても緊張していたので,何を言えばいいかわからなかった。 undizzoq on al 919dT (0) I was (a / at/for/I/loss / nervous / say so that / to / was / what ). jon bluos 67. 一度自由の味を知った人にとって, それは手放しがたい。 <日本獣医生命科学大〉 (d) Freedom is hard for people to experienced / give / have / it / once / they / up ). nebiasiq helps old to work at workvi 文化大 < 立命館大 〉

解説お願いします🙇🏻‍♀️‪‪

Chapter 2 文法 【目標時間 5分 】 (各2点) 2 次の( )内の動詞を適切な形にかえなさい。 1. Jim (bring) his digital camera to school and took the pictures of the school festival. 2. If it (rain) tomorrow, the cherry-viewing party will be canceled. 3. You (be) in time for the concert if you take an express train. 4. When I entered his office, the doctor (read) a medical magazine. 3 動詞の時制に注意して、それぞれの文の意味を書きなさい。 1. (A) My sister usually leaves home at 8:15. (各2点)