求二次函數最小值，但未知數在分母，不知道怎麼解。希望能幫忙解答，謝謝！

例 B 求f(x) = x^+ 16 x² + 1 在x= shid 時,f(x)有最小的函數值為 CUID

想請問一下第1.2.4.5題怎麼寫 （高中英文文法）

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請問為什麼第一題是practicable 而不是capable><

are one billion nanometers in one meter, you can get an idea of how impressive this technology really is! Even though this fabulous technology has been around for almost 100 years, we have only recently been able to experience both its benefits and i cogmignal ovil Asqa niso I e maoney but also area Stopesugar have characteristics These days, nanotechnology is used primarily to make things stronger, stiffer, and smoother. Due to their tiny size, nanoparticles increase the overall surface a of an object, and that acts to give the object special properties However, nanotechnology is also used in the field of biochemistry. One possible of nanotechnology in the future is in the field of robotics. It might be feasible for tiny nano-robots, or "nanobots," to be produced that could easily perform tasks in a very small scale. Each of these nanobots would be so small that you would need a special microscope to see them. Because of their small size, however, a great deal of them DEST OF 90 MOBST U simple math, inc ped programa Cindy a button nose Qué oyes, would be needed to perform a task. furod One drawback to nanotechnology is that the structures are so small that they pose some health and environmental risks. Because of their size, they can float around in the air and enter our lungs without our knowing about it. The effects of this are not yet known, but in the future, if the use of this sort of technology becomes more common, some specialists believe that we may suffer from various illnesses. Regardless of the risks, however, it seems that nanotechnology is something that will be with us for a long time. davol odi ni "11" nuomong ot D Tolo hazards. or (A) affordable (B) practicable (C) visible 14 What does the passage mainly discuss? (A) A new technol use 13 The boldfaced word "feasible" in paragraph two is closest in meaning to ghib10:56 Ap (D) capable

想請問1 為什麼選c不能選a（neither nor

昌 為主詞, 則動詞的人稱及單複數依其靠近的主詞來判斷。 Neither I nor my friend has the thought to betray you. my friend, 「所以用第三人稱單數 Either your teammate or you have to be responsible for the result. 動詞靠近 you, 所以用第二人稱單數 EXERCISES 實地演練 (A) anthems were so ntheil and (C) anthems did, either 法 TKORLASE Snails can regrow their heads, but we can't. (A) We can neither grow (C) Nor can we grow Do -9. As nationalism spread throughout Europe in the 18th and 19th centuries, 果負責。 (B) so anthems did of Solat ( (D) so did anthems new limbs or fingers. Either can we grow So can we grow 【改自106指考】 【改自106指考

為什麼第九題是選c

8. Angela Duckworth, an American scholar, gave a TED Talk in New York entitled "Grit: The Power of Passion and Perseverance." The ideas in her talk were later made into a book with the same title 3. was published in 2016. 4. school in New York. Her talk details how 5. cars earlier, Duckworth accepted a job as a mathematics teacher at a public the years, her students gradually taught her that to be successful, natural intelligence alone is not enough. One must also possess what is known 6. grit. Grit refers to consistent effort 7. a strong determination to achieve a goal. Through detailed research, Duckworth discovered that people with high levels of grit remain highly motivated to achieve their goals 8. giving up on them. In other words, someone with true grit will see himself or herself getting closer to his or her goal day by day. Therefore, that person will always be able to keep himself or herself 9. to 就放 achieving that goal. rouble reading 进行 10. Her book (46) Duckworth's TED Talk and book have since inspired millions remained on The New York Times bestseller list for almost half a year following its publication. (C) 1.(A) what (B) 2. (A) SO (A) 3. (A) which (B) which (B) such (B) it IA) 4.(A) Few 幾乎沒 (B) Little 5.(A) with YAND (B) around 6.(A) by (B) 7. (A) drives A&8.(A) instead of 9. (A) dedicate Bu 10. (A) in turn 達來 成取 六、文意選填:10% Jedi (C) on their way (A) worthy (F) audience 这些年 (B) forwa (B) driven (B) regardless of (B) dedicating (C) how (C) very (C) that (B) discuss (G) speaks of (H) as well as (C) A little (C) until (C) as NA (C) driving (C) technological D) why (D) same (D) and (D) A few- (D) over (D) to be (D) to drive (D) in addition to (D) to dedicate (C) except for (C) dedicated (B) around the world (D) around the corner (D) with (I) celebrity -) 这些年来 (E) increase (J) by 五、綜合測驗 2. A 6. B 1. B From the beginning, before a word is spoken, it's clear that Molly Wright's TED Talk will be unusual. On the stage, a baby sits in a high chair. A little girl walks out, smiling at the 1. This is Molly Wright, the youngest speaker yet to 2. TED viewers. The seven-year-old is here to 3. children's mental growth. With her 7. D 2. Part 2: 1. C Part 3 1. B 7 Par 1. 3. 5 7

1. The doctor's prognosis for the patient's condition was __________, giving little hope for recovery. a) pessimistic b) optimist... 繼續閱讀

求解這兩題謝謝🙏🏻

5. 自mathematical字母中,每次取4個之: (1)組合數共有【 台3】種 (2)又其排列數有【 99種。

高一數學題 拜託求解 不是很確定答案 謝謝大家🥹🙏

練習6 給單位長=1之線段,則下列哪些選項可用尺規作圖 畫出? (L) 3√2 (14) √√√6 + √₂ 第01週中高 Mathematics. (2) (5) 4/10 (3) 5

為什麼有些中文 很翻譯要加very有些不用

tinw as flow as yriasimotoria qu nsist asrt notiit 調味,高雄商圈以快的 Opnishow as llew zA I haven't known Victor for very long, but seems to be nice 2. 同事們似乎很高興見到我。 My coworkers scom Day happy the me smummi ven to see me 3. 你的貓似乎很喜歡牠的新玩具。當時是因 to Your cat seemsexy like it's new 動手寫寫看1 1. 我認識 Victor 還不是很久,但他似乎是個好人。 problem dies show that child Person 這個數學題看似很難,但它其實很容易解開。 This math seems difficulti, but it is actually very easy The 參考答案請見別冊第3頁 to solve MANA 明 toy very much. T TOVE

請問這題有錯嗎？

Math 例題 8. 坐標平面上已知A(1,2)B(4,-2) 若△ABC面積为5 且C落在2X+Y-4 =0上,求C奌座標 假想图: A HA v J B MAB:一年代入A得4X+3y-10=0, ) 由畢氏定理可知AB = 5, C至AB距离为△ABC的高,該为」, 5= ≤ x5xd, d=> 140+36-10 | (二)設(点为(a,b),則d=14+3² | 40+36-10] =10104a+3b=20 @ 4a+ 3b = 0 # 111² 40+36=20 (2) ≤ 4a + ³b =0 -1 ₂a+b=4 $ 4a + ³b = 0 12a+b=4 得 = 2, (6₁-8)