【總結(jié)】定義域?yàn)椋?,+∞).值域?yàn)镽過(guò)點(diǎn)(1,0)減函數(shù)增函數(shù)01y=logax(a0且a≠1)定義域?yàn)镽.值域?yàn)?0,+∞)性質(zhì)過(guò)點(diǎn)(0,1)減函數(shù)增函數(shù)圖象01y=ax(a
2024-10-19 19:13
【總結(jié)】必修1基本初等函數(shù)知識(shí)點(diǎn)整理對(duì)數(shù)及對(duì)數(shù)的運(yùn)算1.對(duì)數(shù)的概念 一般地,如果,那么數(shù)叫做以為底的對(duì)數(shù),記作:其中:是底數(shù),是真數(shù),是對(duì)數(shù)式兩個(gè)重要對(duì)數(shù):常用對(duì)數(shù):以10為底的對(duì)數(shù);自然對(duì)數(shù):以無(wú)理數(shù)為底的對(duì)數(shù)的對(duì)數(shù).2對(duì)數(shù)式與指數(shù)式的互化 3對(duì)數(shù)的性質(zhì)(1)負(fù)數(shù)和零沒(méi)有對(duì)數(shù);(2)1的對(duì)數(shù)是零:
2025-06-23 18:23
【總結(jié)】高一數(shù)學(xué)同步測(cè)試(9)—對(duì)數(shù)與對(duì)數(shù)函數(shù)一、選擇題:1.的值是 ()A. B.1 C. D.22.若log2=0,則x、y、z的大小關(guān)系是 ()A.z<x<y B.x<y<z C.y<z<x D.z<y<x3.已知x=+1,則log4(x3-x-6)等于 ()A. B. D. 4.已知lg2=a,lg3=b,則
2025-03-25 00:39
【總結(jié)】對(duì)數(shù)運(yùn)算及其對(duì)數(shù)函數(shù)一.選擇題(共22小題)1.log42﹣log48等于( ?。〢.﹣2 B.﹣1 C.1 D.22.計(jì)算:(log43+log83)(log32+log92)=( )A. B. C.5 D.153.計(jì)算(log54)?(log1625)=( ?。〢.2 B.1 C. D.4.計(jì)算:log43?log92=( ?。〢. B. C.4 D
2025-05-16 06:58
【總結(jié)】安陽(yáng)高中校本練習(xí):高一數(shù)學(xué)必修一:§對(duì)數(shù)函數(shù)及其性質(zhì)(二)時(shí)間:份數(shù):850編題:康志軒※基礎(chǔ)達(dá)標(biāo)1.函數(shù)的圖象關(guān)于().A.y軸對(duì)稱 B.x軸對(duì)稱C.原點(diǎn)對(duì)稱 D.直線y=x對(duì)稱2.函數(shù)的值域是().A.RB.C.D.0
【總結(jié)】一、對(duì)數(shù)函數(shù)指數(shù)函數(shù)y=ax(a0且a≠1)對(duì)數(shù)函數(shù)y=(a0且a≠1)圖象a1010a1定義域(-∞,+∞)(0,+∞)值域(0,+∞)(-∞,+∞)奇偶性非奇非偶非奇非偶單調(diào)性增函數(shù)減函數(shù)增函數(shù)減函數(shù)過(guò)定點(diǎn)(0,1)即a0=1
2025-06-24 14:49
【總結(jié)】對(duì)數(shù)函數(shù)單調(diào)性練習(xí)一、填空題=loga(3-ax)在[0,2)上是關(guān)于x的減函數(shù),則實(shí)數(shù)a的取值范圍為(x)=log2(x2-ax-4)在區(qū)間[2,4]上是增函數(shù),則實(shí)數(shù)a的范圍是=log2(x2-ax-a)定義域?yàn)镽,則實(shí)數(shù)a的取值范圍是(x)=loga(ax2-x+3)在[2,4]上是增函數(shù),則實(shí)數(shù)a的取值范圍是
2025-06-24 15:04
【總結(jié)】安陽(yáng)高中校本練習(xí):高一數(shù)學(xué)必修一:§對(duì)數(shù)函數(shù)及其性質(zhì)(一)時(shí)間:份數(shù):850編題:康志軒※基礎(chǔ)達(dá)標(biāo)1.下列各式錯(cuò)誤的是().A.B.C.D..xy11oxyo11oyx11oyx11
【總結(jié)】九校學(xué)堂數(shù)學(xué)組執(zhí)筆:吳雯審核:芮忠義高中數(shù)學(xué)對(duì)數(shù)函數(shù)、指數(shù)函數(shù)、冪函數(shù)練習(xí)題1.函數(shù)f(x)=的定義域是A.-∞,0] B.[0,+∞ C.(-∞,0) D.(-∞,+∞)2.函數(shù)的定義域是A.(0,
2025-06-20 05:28
【總結(jié)】函數(shù)的周期性基本知識(shí)方法周期函數(shù)的定義:對(duì)于定義域內(nèi)的每一個(gè),都存在非零常數(shù),使得恒成立,則稱函數(shù)具有周期性,叫做的一個(gè)周期,則()也是的周期,所有周期中的最小正數(shù)叫的最小正周期.幾種特殊的抽象函數(shù):具有周期性的抽象函數(shù):函數(shù)滿足對(duì)定義域內(nèi)任一實(shí)數(shù)(其中為常數(shù)),①,則是以為周期的周期函數(shù);②,則是以為周期的周期函數(shù);③,則是以為周期的周期函數(shù);
2025-04-16 22:21
【總結(jié)】對(duì)數(shù)與對(duì)數(shù)函數(shù)練習(xí)一、選擇題:1、已知,那么用表示是()A、B、C、D、2、,則的值為()A、B、4C、1D、4或13、已知,且等于()A、B、C、D
2025-06-28 04:53
【總結(jié)】恩雅學(xué)習(xí)資料必修一復(fù)習(xí)對(duì)數(shù)和對(duì)數(shù)函數(shù)一、選擇題1.若3a=2,則log38-2log36用a的代數(shù)式可表示為()(A)a-2(B)3a-(1+a)2(C)5a-2(D)3a-a2(M-2N)=logaM+logaN,則的值為()(A)(B)4(C)1(D)4或13.已知x2+y2=1,x0,y0,且loga
2025-06-27 17:51
【總結(jié)】復(fù)習(xí)對(duì)數(shù)函數(shù)及簡(jiǎn)單對(duì)數(shù)方程一.復(fù)習(xí)對(duì)數(shù)函數(shù)1.對(duì)數(shù)函數(shù)的定義2.對(duì)數(shù)函數(shù)的圖象與性質(zhì),通過(guò)圖象確定底數(shù)大小練習(xí):1.比較大小2.對(duì)數(shù)不等式二:簡(jiǎn)單對(duì)數(shù)方程1.對(duì)數(shù)方程的定義2.解對(duì)數(shù)方程三:小結(jié)四:作業(yè)xyo
2025-05-15 08:22
【總結(jié)】理解對(duì)數(shù)的概念及其運(yùn)算性質(zhì);了解對(duì)數(shù)換底公式,能將一般對(duì)數(shù)轉(zhuǎn)化成自然對(duì)數(shù)或常用對(duì)數(shù);了解對(duì)數(shù)的概念;理解對(duì)數(shù)函數(shù)的性質(zhì),會(huì)畫對(duì)數(shù)函數(shù)的圖象;了解指數(shù)函數(shù)與對(duì)數(shù)函數(shù)互為反函數(shù).????????122212log(01)1()()1A2
2025-05-15 07:20
【總結(jié)】指數(shù)函數(shù)、冪函數(shù)、對(duì)數(shù)函數(shù)練習(xí)1、分?jǐn)?shù)指數(shù)冪1.2.3.C.D.5.用根式的形式表示下列各式(1)=(2)=7.用分?jǐn)?shù)指數(shù)冪的形式表示下列各式:(1)=(2)
2025-03-25 02:35