數學與統計 大學 9個月以前 感覺這題要用反函數 Finding Values In Exercises 28-30, find f-1(a) for the function f and real number a. Function 30. f(x) = x³ - Real Number 4 x > 0 a = 6 X 待回答 回答數: 0
數學 高中 9個月以前 x=123 cosxcos2cos4x=? 我記得答案是 因為cos 且角度成等比 然後以公比(是嗎)當底數 項數當指數 的倒數 然後正負用象限判斷 但是我不知道要怎麼推出來 待回答 回答數: 0
數學與統計 大學 9個月以前 請問綠色框起來的是什麼意思 example.o A,B: sets, |A|-|B|=n<∞ A function f : A → B is one to one Proof (F) Suppose 39, #az & fears = fiaz) : 充分必要 if and only if it is onto. 7-1-4 3 | { bib = fca, for a EA & 979, 192}|≤n-2 =|f(A)| = h-1 < |B| 7 f is not onto Proof 待回答 回答數: 0
數學 高中 10個月以前 算幾不等式 如果題目給的不是一個整數的話我就不太會用...🥲 我一直搞不清楚a b要放什麼比較好 有沒有大神可以幫幫我🥺🥺🥺 題6. 設直角三角形ABC的面積為8平方公尺,且∠C=90°,令BC=a公尺, AC=b公尺, 請回答下列問題: (1)試寫出a、b所滿足的關係式 (2)請用a、b表示出三角形ABC的周長 【108.師大附中】 (3)承上,試問當a、b各為何值時,能使三角形ABC的周長有最小值?此最小值為何? 【中】□□□ (0.9 大 17. 假設一輛車的保養、耗材費,會因使用年限增加而提升,若一輛新車價為72萬元 第一年的維修保養費為1萬元,之後每一年比前一年多1萬元, 下, 待回答 回答數: 0
英文 國中 10個月以前 求英文橘子復習講義第三冊解答🙇🏻♀️ 4 元 6 第三冊(I) 貼心提供置端學院線上 文法重點 重要度 每天氣的問與答 ★★ ① 所有 授與動詞的用法 • 從屬連接詞:when, before, after 6 電話 主題 1 單字好好記 ●國家名稱 社團 18. Taiwa ect 科目;主題:主詞 19. the Rd 數學 (sarons] 自然;科學 中文;中國人 歷史 make history(創造歷史) = physical education) 俱樂部;棍棒 20. the US of Ame 21. America American 22 Japan 日 Japanese (B ● 其他 媽 參加活動的媽媽 23. end 待回答 回答數: 0
英文 高中 11個月以前 剛升高一 英文偏弱 有幾個問題想請教🙏🏻 1名詞子句that怎麼知道是當主詞補語、同位語、受詞 ? 2形容詞子句和名詞子句同位語怎麼分、不是都替代前面的詞嗎? 3第八題的that是前面可省略後面的不能省略嗎? 0. 5.其原因之一是牠們必須每二十分鐘游到表面呼吸一次。 【龍騰】 4. V. that ⑤省略5.A. they must swim to the surface One of the reasons for this is once every twenty minutes to breathe. 6. 我保證以後絕不會再當個情緒勒索者。【三民乙】 You have my promise 同位語3.A that I will never be an emotional blackmailer again. poison pen letter in 7. 據報導有些長頸鹿一天平均只睡三十分鐘。【龍騰】 11 L is reported I that minutes a day on average. 4.A some giraffes sleep only thirty 8.這篇文章清楚表明情緒勒索者通常只用自己的方式看事情,還有對 他們來說,透過別人的眼睛來審視他們的行為是重要的。【三民乙】 0. 0, The article makes it clear [that emotional blackmailers usually see things only in their ways, and [ that it's important for them to review their behavior through other people's eyes. 待回答 回答數: 0
數學 高中 11個月以前 想請問這兩題,謝謝🙇♀️ 1 With thirty-five active volcanoes, Iceland is known as a land of seismic activity. In April 2 bringing chaos to transportation systems across a minor volcanic eruption on the island Europe. The eruption, 3 the Eyjafjallajökull glacier in southwestern Iceland, released clouds of ash that drifted across several countries in northern and Western Europe. For several days, nearly all flight in the region were with hundreds of thousands of passengers unable to start their 4 journeys or _5_stranded abroad. Pec (A) that was (B) there was (C) what was (D) it was QA (A) ended up (B) got involved in (C) gave rise to (D) arose out of 待回答 回答數: 0
英文 國中 12個月以前 有人會寫英文短文嗎? Get Ready to Write things. *識全集中 A Venn diagram can help you compare and contrast two different Ants How they are the same Bees • Live in • Black or brown •Can walk a long way • Birds like to eat them Insects • six legs Live in hives Yellow and black Can •Make e both popular. use a ball exciting How they are different Read the following report comparing ants and bees. Read again and complete the Venn diagram with information that tells you how ants and basketball 219 mod MS 89 and bees are the same or different. Introduction How they are the same How they are different Conclusion Ants and Bees nobuboun There are many kinds of insects in the world. All insects have six legs, but they can be very different. Two insects, which you can see everywhere, are ants and bees. Ants live in nests. Thousands of ants live together. Bees also live together, but they live in hives. Both ants and bees have a queen. The hard working queen lays many eggs. Ants and bees work very hard to find food and build their homes. But be careful because when they get angry, they can hurt you. yart worl hib Ants and bees are also different in many ways. Ants are usually smaller than bees and they are brown or black in color. However, bees are yellow and black. Bees can fly and eat from flowers. This food, which becomes honey, is delicious. On the other hand, ants often walk a long way to find food. Some birds and animals like to eat ants. As you can see, ants and bees are both very interesting no insects. They are the same and different in many ways. Which one do you like? IN LINE 待回答 回答數: 0
英文 大學 約1年以前 英文,文法,關係代名詞, 選擇題並解釋,應該是選出英文句子中,文法錯誤的選項位置1,2,3,4: 1 [Like] Christian art, which influences people 2 [to have ] religious feelings, the goa... 繼續閱讀 待回答 回答數: 0
英文 高中 約1年以前 英文,文法,關係代名詞, 選擇題並解釋,應該是選出英文句子中,文法錯誤的選項位置1,2,3,4: 1 [Like] Christian art, which influences people 2 [to have ] religious feelings, the goa... 繼續閱讀 待回答 回答數: 0