【摘要】《對(duì)數(shù)及對(duì)數(shù)函數(shù)》練習(xí)題講解知識(shí)梳理:1、對(duì)數(shù)的定義:如果a(a0,a≠1)的b次冪等于N,就是ab=N,那么數(shù)b叫做a為底N的對(duì)數(shù),記作logaN=b,a叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)。(N0)2、指數(shù)和對(duì)數(shù)的關(guān)系:3、對(duì)數(shù)恒等式:∴,,4、運(yùn)算法則:5、換底公式:6、兩個(gè)較為常用的推論:1°
2025-03-25 00:39
【摘要】一、對(duì)數(shù)的定義:一般地,如果的x次冪等于N,即(叫指數(shù)式),那么數(shù)x叫做以a為底N的對(duì)數(shù)記作(叫對(duì)數(shù)式),a叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)(1)常用對(duì)數(shù):通常將以10為底的對(duì)數(shù)叫做常用
2025-04-29 00:31
【摘要】1、知識(shí)回顧表1指數(shù)函數(shù)對(duì)數(shù)數(shù)函數(shù)定義域值域圖象性質(zhì)過定點(diǎn)過定點(diǎn)減函數(shù)增函數(shù)減函數(shù)增函數(shù)二、經(jīng)典例題導(dǎo)講[例1]已知求錯(cuò)解:∵∴ ∴錯(cuò)因:因?qū)π再|(zhì)不熟而導(dǎo)致題目沒解完.正解:∵∴ ∴[例2]分析方
2025-05-16 05:05
【摘要】函數(shù)概念與基本初等函數(shù)Ⅰ(指數(shù)函數(shù)、對(duì)數(shù)函數(shù)、冪函數(shù))【專題測(cè)試】高考資源網(wǎng)1、下列函數(shù)中,在其定義域內(nèi)既是奇函數(shù)又是減函數(shù)的是A.B.C.D.2、已知是定義在R上的函數(shù),且恒成立,當(dāng)時(shí),,則當(dāng)時(shí),函數(shù)的解析式為高考資源網(wǎng)A.B.C.D.3、函數(shù),則的值為A.2 B.8 C. D.4、已知函數(shù)若,則的取值范
2025-06-26 19:26
【摘要】函數(shù)函數(shù)函數(shù)函數(shù)問題1:指數(shù)函數(shù)y=ax與對(duì)數(shù)函數(shù)y=logax(a0,a≠1)有什么關(guān)系?稱這兩個(gè)函數(shù)互為反函數(shù)y=axx=logayy=logax指數(shù)換對(duì)數(shù)交換x,yy=3x+5交換x,y35??yx移項(xiàng)35??xy指數(shù)函數(shù)y=ax(a0
2025-11-14 12:38
【摘要】對(duì)數(shù)函數(shù)與指數(shù)函數(shù)的導(dǎo)數(shù)一、復(fù)習(xí)與引入:1.函數(shù)的導(dǎo)數(shù)的定義與幾何意義....,我們已經(jīng)掌握了初等函數(shù)中的冪函數(shù)、三角函數(shù)的導(dǎo)數(shù),但還缺少指數(shù)函數(shù)、對(duì)數(shù)函數(shù)的導(dǎo)數(shù),而這就是我們今天要新學(xué)的內(nèi)容.有了指數(shù)函數(shù)、對(duì)數(shù)函數(shù)的導(dǎo)數(shù),也就解決了初等函
2025-05-15 02:15
【摘要】對(duì)數(shù)函數(shù)及其性質(zhì)(1)教案羅紹章一、教學(xué)目標(biāo)1、知識(shí)技能(1)理解對(duì)數(shù)函數(shù)的概念。(2)掌握對(duì)數(shù)函數(shù)的圖像和性質(zhì),并進(jìn)行簡(jiǎn)單的應(yīng)用。2、過程與方法(1)形成數(shù)學(xué)交流能力和與人合作意識(shí);(2)用聯(lián)系的觀點(diǎn)提出問題、分析問題、解決問題;(3)從對(duì)數(shù)函數(shù)的學(xué)習(xí)中滲透數(shù)形結(jié)合、類比歸納、分類討論的數(shù)學(xué)思想。3、情感、態(tài)度與價(jià)值觀(1)類比指數(shù)函數(shù)通過圖
2025-04-25 12:49
【摘要】第一章基本初等函數(shù)(Ⅰ)單元復(fù)習(xí)第二課時(shí)對(duì)數(shù)函數(shù)和冪函數(shù)知識(shí)框架對(duì)數(shù)的運(yùn)算對(duì)數(shù)與對(duì)數(shù)運(yùn)算對(duì)數(shù)的概念概念對(duì)數(shù)函數(shù)圖象性質(zhì)換底公式冪函數(shù)概念圖象指數(shù)函數(shù)反函數(shù)綜合應(yīng)用例1若,則
2025-11-03 01:35
【摘要】,第三章指數(shù)函數(shù)和對(duì)數(shù)函數(shù),§5對(duì)數(shù)函數(shù)5.3對(duì)數(shù)函數(shù)的圖像和性質(zhì),第一頁(yè),編輯于星期六:點(diǎn)三十七分。,第二頁(yè),編輯于星期六:點(diǎn)三十七分。,,自,主,探,新,知,預(yù),習(xí),第三頁(yè),編輯于星期六:點(diǎn)三十七...
2025-10-13 19:03