Grade

Type of questions

Mathematics Senior High

็”ปๅƒใฎๅ•้กŒใฎใ‚ฐใƒฉใƒ•ใฎ็‚น็ทšใฏy=-x^3+3xใฎใ‚‚ใฎใ ใจๆ€ใ†ใ‚“ใงใ™ใ‘ใฉใ€y=x^3-3xใฎ็‚น็ทšใฏๆ›ธใ‹ใชใใฆใ„ใ„ใ‚“ใงใ™ใ‹๏ผŸ

ocus 14:34 Check ้กž 207 ้–ขๆ•ฐ y=xlx2-3| ใฎใ‚ฐใƒฉใƒ•ใ‚’ใ‹ใ‘. ็ตถๅฏพๅ€ค่จ˜ๅทใ‚’ๅซใ‚€้–ขๆ•ฐใฎใ‚ฐใƒฉใƒ• 2 ้–ขๆ•ฐใฎๅ€คใฎๅข—ๅŠ ๆธ›ๅฐ‘ 375 ๆ–น ็ตถๅฏพๅ€ค่จ˜ๅทใฎไธญใŒ0ไปฅไธŠใ‹่ฒ ใ‹ใงๅ ดๅˆๅˆ†ใ‘ใ‚’ใ—ใฆ *** ๅ ดๅˆๅˆ†ใ‘ใ‚’ใ—ใŸใใ‚Œใžใ‚Œใฎ้–ขๆ•ฐใซใคใ„ใฆ, y' ใฎ็ฌฆๅท ใ‚’่ชฟในใ€ๅข—ๆธ›่กจใ‚’ใ‹ใ‘ใฐใ‚ˆใ„ใ€‚ ใใฎใจใใ€ ๅฎš็พฉๅŸŸใซๆณจๆ„ใ™ใ‚‹ใ€‚ ใพใš็ตถๅฏพๅ€ค่จ˜ๅทใ‚’ใฏใšใ™ใ€‚ x-3)= ใ‚ˆใ‚Šใ€‚ xยฒ+3 (-โˆš3 <x<โˆš3) xยณ-3x โˆš3โ‰คx) y=(x+x(ใ–ใใ‚) (i) y=x-3xx/3โ‰ฆx) ใฎใจใ y'=3xยฒ-3=3(x+1)(x-1) y=0 ใจใ™ใ‚‹ใจ, x=-1,1 ใ“ใ‚Œใฏใ€ๅŒบ้–“ x3,โˆš3โ‰ฆxใซใชใ„ใ€‚ y=-x+3x(-โˆš3<x<โˆš3)ใฎใจใ y'=-3xยฒ+3=-3(x+1)(x-1) y'=0 ใจใ™ใ‚‹ใจ, x=-1,1 ใ“ใ‚ŒใฏๅŒบ้–“ -3 <x<โˆš3 ใซใ‚ใ‚‹ใ€‚ (i)(i)ใ‚ˆใ‚Š,yใฎๅข—ๆธ›่กจใฏๆฌกใฎใ‚ˆใ†ใซใชใ‚‹ใ€‚ 1 A (AZO) A= -A (A<0) 3 =(x+โˆš3)(x-โˆš3) ใ‚ˆใ‚Šใ€‚ (x+โˆš3-โˆš3) 20 ใฎใจใใ€ xs-โˆšโˆš3. โˆš35x (x+โˆš3)(x-โˆš3) < 0 ใฎใจใใ€ -โˆš3<x<โˆš3 3xยฒ-30ใ‚ˆใ‚Š. x-1=0 ใคใพใ‚Šใ€ x=ยฑ1 4G 94 *** x -โˆš3 -1 โˆš3 [y + - 0 + 0 ๅŒบ้–“ใซใ‚ˆใ‚Šใ€ ้–ขๆ•ฐใŒ้•ใ† ใฎใงๆณจๆ„ใ™ใ‚‹ใ€‚ ๆฅตๅคง ๆฅตๅฐ ๆฅตๅคง ๆฅตๅฐ y 7 0 -2 2 0 ใ‚ˆใฃใฆใ€ใ‚ฐใƒฉใƒ•ใฏๅณใฎๅ›ณ ใฎใ‚ˆใ†ใซใชใ‚‹. 2 /3-1 x=โˆš3-โˆš3 ใฎใจใใฏใ€ ly' = 0 (y' ใฏๅญ˜ๅœจใ—ใชใ„) 6 ใงใ‚ใ‚‹ใŒใ€ใใฎๅ‰ๅพŒใงy ใฎ็ฌฆๅทใŒๅค‰ใ‚ใ‚‹ใฎใง ใฎ็‚นใงใ‚‚ๆฅตๅ€คใ‚’ใจใ‚‹. f(x)=-x(-x-3| =-x|xยฒ-3| =-f(x) ็ตถๅฏพๅ€ค่จ˜ๅทใ‚’ๅซใ‚€้–ขๆ•ฐใฎใ‚ฐใƒฉใƒ•ใ‚’ใ‹ใ ๅ ดๅˆๅˆ†ใ‘ใ—ใฆๅข—ๆธ›ใ‚„ๆฅตๅ€คใ‚’่ชฟในใ‚‹ clearnotebooks.com ใ‚ˆใ‚Š, f(x) ใฏๅฅ‡้–ขๆ•ฐใง ใ‚ใ‚‹ใ‹ใ‚‰, ใ‚ฐใƒฉใƒ•ใฏๅŽŸ็‚น ใซ้–ขใ—ใฆๅฏพ็งฐใงใ‚ใ‚‹. x

Resolved Answers: 1
English Junior High

(4)ๅˆใฃใฆใ„ใพใ™ใ‹๏ผŸ 15่กŒ็›ฎใใ‚‰ใ„ใ‹ใ‚‰ใ ใจๆ€ใ„ใพใ™

ๆฌกใฎ่‹ฑๆ–‡ใ‚’่ชญใ‚“ใง,(1)~(5)ใฎๅ•ใ„ใซ็ญ”ใˆใชใ•ใ„ใ€‚ Takashi visited Mr. Paul in London during spring vacation. famous places in London with Mr. Paul. He stayed at Mr. Paul's house. Takashi went to some One day, Takashi wanted to visit other places near London by himself and he told Mr. Paul about it. Mr. Paul said, "Go to Brighton. The city is very beautiful, so it's Takashi read the timetable many times and he (visit) by many people." station at s He looked at the clock in the planned to take a train at 8:40 in the morning. He arrived at the He sat on a chair and looked around him. Then he felt that something was wrong/ station building. It was 9:30. 8:30. But Takashi was very surprised, so he looked at his watch, but it was still 8:30. He found an old woman and asked, She looked at her watch and answered, "It's 8:30." He was relieved. suddenly, the old woman said to him again, "Oh, sorry. It's summer time now. 7.It started yesterday, so it's 9:30 10 "Excuse me, but what time is it now ?" now.' But just then her train came, so she stopped the conversation and โ‘ค( get) on the train. He went to Brighton. He enjoyed the city very much. Takashi didn't understand. took the next train at 9:40 and Takashi took a train back to London in the evening. He told Mr. Paul about his conversation with the old woman at the station. Mr. Paul laughed. Takashi asked, "What's summer time?" Mr. Paul said, "We have long daytime in summer. 15 From the end of March to the end of October, we put the clock forward an hour and then back again in fall. We do it to use the daytime more usefully. There are some good points, but also some problems." Takashi thought it was interesting. Mr. Paul said, "I want you to learn more about summer time." "I will," Takashi answered. After he came back to Japan, he went to the library and read a book about summer time.

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English Senior High

่‹ฑ่ชžใ‚ใ‹ใ‚‹ๆ–นๆ•™ใˆใฆใใ ใ•ใ„๐Ÿ˜ญ

[2] ใ‚ใ‚‹ใ‚ฏใƒฉใ‚นใงใƒ‡ใ‚ฃใƒ™ใƒผใƒˆใŒ่กŒใ‚ใ‚Œใฆใ„ใพใ™ใ€‚ (1)~(3)ใฏใƒ‡ใ‚ฃใƒ™ใƒผใƒˆใฎๅ‰ๅŠๆˆฆ, (4)(5)ใฏๅพŒๅŠๆˆฆใซใŠใ‘ใ‚‹็™บ่จ€ใฎ (1) ไธ€้ƒจใงใ™ใ€‚ ใƒ‡ใ‚ฃใƒ™ใƒผใƒˆใฎๆตใ‚Œใ‚’ๆ„่ญ˜ใ—ใชใŒใ‚‰, ้€ฒ่กŒๅฝนใฎๅ…ˆ็”Ÿใฎใ‚ปใƒชใƒ• ใŒๆตใ‚Œใ‚ˆใๆˆใ‚Š็ซ‹ใคใ‚ˆใ†, ไธ‹็ทšใซๅฝ“ใฆใฏใพใ‚‹ใ‚‚ใฎใ‚’้ธๆŠž่‚ขใ‹ใ‚‰้ธใณ, ่จ˜ๅทใง็ญ”ใˆใชใ•ใ„ใ€‚ [ๆ€ใƒปๅˆคใƒป่กจ] (2) (ๆ•™็ง‘ๆ›ธ P.88~89, P.92~95 ๅ‚็…ง) (3) (1) Teacher Are you ready to start our class debate? (4) Our topic is here on the board: "Digital books are better than paper books." Raise your hand if you have a reason to support for this statement. (2) Student A: With an eReader, we have access to all of the books that we own. We can read many G (5) on the train. We can't carry many books with us every day. Teacher: (3) Student B Paper books don't use electricity. It's important that we use as little electricity as possible to prevent global warming. Teacher: (5็‚นx5) (4) Teacher: Next, we will refute the other side's opinions. Say which opinion you are refuting, give your refutation, then give an example. (5) Student C: They said that digital books are convenient, but I don't think it's a big advantage. We don't always need all of our books with us. Just one book is enough. Teacher: [้ธๆŠž่‚ข] J. Good idea. "Good for the environment." . Great. "Digital books are convenient." . Let's start with the negative side. 1. Let's start with the affirmative side. I. Very good. "Not a significant advantage."

Resolved Answers: 1