求解，謝謝🙏

-x+y0-4:04x-4y+9=04x+3y-1 ,此時數對 5. 若實數x,y滿足5x+12y=26,則x + y²的最小值為 -2 (x, y) = 4+9 √13 广

請問為什麼錯🙏

(C) what any brake is used for 62. William Lee, AD Diake is usca 10 a knitting machine that rattled out 1,000 to 1,500 stitches a minute at the end of the 16th century. (A) an English curator, developed (B) developed an English curator, (C) an English curator, which developed (D) an English curator, developing 63. Canada has two official languages, B (A) they are French and English (C) which they are French and English (B) French and English (D) French and English they are

求解

7. P(x,y) (xx.y)均在=負) 上 若如是的二倍且限 斜率 -5 Y₁ = C

謝謝！

類題1: 設 A(0,0)、B(10,0)、C(10,6)、D(0,6)為坐標平面上的四個點,如果直線y=m(x-7)+4將四邊形 ABCD分成面積相等的兩塊,則m = ? 【95 學測】 11/12 (0,6) 3- (0,0) A (10,60 B (10,0)

求解法(＞人＜;)

11. 與直線3x+2y=7垂直,且兩軸截距和為8的直線方程式為 2X-3Y+K:0 2X+K-3y+k=8 2x+k -3y+k

請問這題證明導函數該怎麼寫😢

請證明 f(x)9(x)的導函數為 f(x)9(x) X [× g(x) + In f(x) × g'(x)] . f (x) #ñ : f(x)9x) = (eln ƒ(x)) 9(x) = e(Inf(x))g(x).

求解🆘

數學考科 第6 頁 共 7 頁 17. 有三個半徑分別為1,2,3的圓,且這三個圓兩兩外切,切點分別為 A,B,C,則△ABC 的面積為 (17-1) (17-2 5 。(化為最簡分數) 3 -4. 4x3 2=6 第貳部分、混合題或非選擇題(占15分) 2 十竺半博千題題的作答區內作答。

40感恩

on (-00,00)? f(x) = Scx² + 2x_ if x < 2 x³ – cx if x = 2 40. Find the values of a and b that make ƒ continuous everywhere. X 4 if x < 2 x-2 f(x) = ax² − bx + 3_if 2 ≤ x < 3 2x − a + b ______ if x = 3 |

第17 謝謝

11. lim (1-x) = -2 x-9 13. lim x = a 15. lim x² = 0 X-0 17. lim (x² - 4x + 5) = 1 ing the ɛ, o de 12. lim ust 14. lim c 16. lim r X-0 18. lim (2 X->-2 19. Verify that another possible choice of 8 fo lim¸→3 x² = 9 in Example 3 is 8 = min{: 20. Verify, by a geometric argument, that the choice of 8 for showing that lim,3x²

幫幫我

A 13. 設8爲銳角, Sin(180° + 0) cos(270°+8) Sin t (C) (B) 0 2 43 2 Cat - cot(-8) tan(90°-0) wot t (D) 2 (A) -1 MUD 14.已知坐標平面上兩點 (1,0)、B(0,1),則下列哪一個點與直線B的距離最長? 水上 (A) (1,-1) (B)(-1,3) (D)(-2,-1) (A) (6,4) D sin- cos(270°-)之值為何? sin(-6) |-|+3-1|=| Sin (C)1 15. 如圖(三)所示,已知長方形 OABC中,O爲原點,A(9,6),且 B 在y軸上, 則A、C兩點的距離爲何? 39 (A) (B) (C) (2,0) |240-||-| (D) 41 2 45 2 圖(三) A , 已知坐標平面上兩點 (3,-2)、B(8,8),且C爲直線.AB外一點, 在線段AB 上,若△ABC 與 ADC 兩三角形面積的比值爲 ,則D點坐標爲何? s 3 (B) (5,2), (C) (25, 25) 8 △ABC:ADC A(9,6) (D) (15,15)