數學與統計 大學 約3年以前 請問這兩題大一的微積分怎麼算，謝謝🙏 23. 折舊 某物的價值 V(美元) 為時間 t(年) 的函 數 V = 15,000e-0.6286t (a) 畫出在區間 [0, 10] 的函數圖形。 (b)求 t = 1 時,V的變化率。 (c) 求t = 6時,V的變化率。 24.複利 某銀行儲蓄帳戶的餘額為 4 = 50000.081,其中t代表年份。 (a) 試求 t = 1 年;(b) t = 10年;(c) t = 50 年 的變化率。 待回答 回答數: 0
數學與統計 大學 約3年以前 化生系的微積分科目，謝謝。 1. Find the slope and concavity for the curve given by x sin3 0, y = cos3 0 at 0 = = 专 = = 2. Find the arc length of the curve - - X x = 3 sin – sin 30, y = 3 cos 0 – cos 30, 0 : 0 <o< 3. Find an equation in rectangular coordinates for the surface represented by the spherical equation o = 7 = TT 6. 4. Find an equation in spherical coordinates for the surface represented by the rectangular equation x² + y2 = 16. . = 待回答 回答數: 0
數學與統計 大學 約3年以前 請問這題怎麼解，感謝🙏 NET POPULATION GROWTH A study indicates that x months from now, the population of a certain town will be increasing at the rate of 10 + 2Vx people per month. By how much will the population increase over the next 9 months? 待回答 回答數: 0
數學與統計 大學 約3年以前 請問這題怎麼解，感謝🙏 RETIREMENT ANNUITY When she is 30, Sue starts making annual deposits of $2,000 into a bond fund that pays 8% annual interest compounded continuously. Assuming that her deposits are made as a continuous income flow, how much money will be in her account if she retires at age 55? 待回答 回答數: 0
數學與統計 大學 約3年以前 哪個微積分大神幫我看一下這證明可不可以！ 又或是我可以從哪裡著手呢？~ 只有你 編輯 3. Let f(x) be continuous for 0 SX S1. Suppose further that f(x) assumes rational values only and that f(x) = 1 when x = 1. Prove that f(0) = 4 everywhere. suppose f(x) doesn't have fixed value we have "f(x) EQ jf E= & q> do vsoo for some fro+ f(20) when Ix-xocs, I fix-fixos/>E contradiction with flac is continuous :56o has a fixed value 更多 新增到限時動態 III O 待回答 回答數: 0
數學與統計 大學 約3年以前 第一行是怎麼變第二行的 求解 + 。 +4y=cos 2x y- ancoszx+Ctinet +cosrx +4 29 may 14. 團隊專題方法之比較、聲明 只要可行,就應使用特定數迷,因爲它 * +9y = csc 3x 較為簡單。就以下問題,以參數變異法與 y" – xy' – 3y = x2 其做比較。 41' + 5y = e2x csc x Yp=-cosex Sineklarat dx + sinax Scorex dx s z yen 合 & cosex + 2xsinux truh (X) ruft cash CPMSG-=(x)dh dx 待回答 回答數: 0
