新高考數(shù)學(xué)一輪復(fù)習(xí) 導(dǎo)數(shù)專(zhuān)項(xiàng)重點(diǎn)難點(diǎn)突破專(zhuān)題05 利用函數(shù)極值求參(取值范圍)(原卷版)_第1頁(yè)
新高考數(shù)學(xué)一輪復(fù)習(xí) 導(dǎo)數(shù)專(zhuān)項(xiàng)重點(diǎn)難點(diǎn)突破專(zhuān)題05 利用函數(shù)極值求參(取值范圍)(原卷版)_第2頁(yè)
新高考數(shù)學(xué)一輪復(fù)習(xí) 導(dǎo)數(shù)專(zhuān)項(xiàng)重點(diǎn)難點(diǎn)突破專(zhuān)題05 利用函數(shù)極值求參(取值范圍)(原卷版)_第3頁(yè)
新高考數(shù)學(xué)一輪復(fù)習(xí) 導(dǎo)數(shù)專(zhuān)項(xiàng)重點(diǎn)難點(diǎn)突破專(zhuān)題05 利用函數(shù)極值求參(取值范圍)(原卷版)_第4頁(yè)
新高考數(shù)學(xué)一輪復(fù)習(xí) 導(dǎo)數(shù)專(zhuān)項(xiàng)重點(diǎn)難點(diǎn)突破專(zhuān)題05 利用函數(shù)極值求參(取值范圍)(原卷版)_第5頁(yè)
已閱讀5頁(yè)，還剩2頁(yè)未讀， 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

專(zhuān)題05利用函數(shù)極值求參(取值范圍)一、單選題1．函數(shù)SKIPIF1<0在SKIPIF1<0處有極大值SKIPIF1<0，則SKIPIF1<0的值等于（

）A．0 B．6 C．3 D．22．已知f(x)＝SKIPIF1<0x3＋(a－1)x2＋x＋1沒(méi)有極值，則實(shí)數(shù)a的取值范圍是（

）A．[0，1] B．(－∞，0]∪[1，＋∞)C．[0，2] D．(－∞，0]∪[2，＋∞)3．若函數(shù)SKIPIF1<0有兩個(gè)不同的極值點(diǎn)，則實(shí)數(shù)SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<04．若SKIPIF1<0，SKIPIF1<0是函數(shù)SKIPIF1<0SKIPIF1<0兩個(gè)相鄰的極值點(diǎn)，則SKIPIF1<0（

）A．3 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<05．已知SKIPIF1<0沒(méi)有極值，則實(shí)數(shù)SKIPIF1<0的取值范圍為（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<06．設(shè)函數(shù)f(x)＝lnx＋SKIPIF1<0在SKIPIF1<0內(nèi)有極值，求實(shí)數(shù)a的取值范圍（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<07．已知函數(shù)f(x)＝x3＋ax2＋bx＋a2在x＝1處的極值為10，則數(shù)對(duì)(a，b)為（

）A．(－3,3) B．(－11,4)C．(4，－11) D．(－3,3)或(4，－11)8．已知函數(shù)SKIPIF1<0，若SKIPIF1<0是SKIPIF1<0的極小值點(diǎn)，則實(shí)數(shù)SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<09．若函數(shù)SKIPIF1<0在R上有小于0的極值點(diǎn)，則實(shí)數(shù)a的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<010．已知函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0有且僅有2個(gè)極值點(diǎn)，則m的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0C．SKIPIF1<0 D．SKIPIF1<011．已知函數(shù)SKIPIF1<0SKIPIF1<0有兩個(gè)極值點(diǎn)，則實(shí)數(shù)a的取值范圍為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<012．已知函數(shù)SKIPIF1<0在其定義域的一個(gè)子區(qū)間SKIPIF1<0上有極值，則實(shí)數(shù)a的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<013．已知函數(shù)SKIPIF1<0在SKIPIF1<0處取極小值，且SKIPIF1<0的極大值為4，則SKIPIF1<0（

）A．-1 B．2 C．-3 D．414．已知SKIPIF1<0為常數(shù)，函數(shù)SKIPIF1<0有兩個(gè)極值點(diǎn)，其中一個(gè)極值點(diǎn)SKIPIF1<0滿足SKIPIF1<0，則SKIPIF1<0的取值范圍是（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<015．已知函數(shù)SKIPIF1<0有兩個(gè)極值點(diǎn)m，n，且SKIPIF1<0，則SKIPIF1<0的最大值為（

）A．SKIPIF1<0 B．SKIPIF1<0 C．SKIPIF1<0 D．SKIPIF1<0二、多選題16．已知函數(shù)SKIPIF1<0，若函數(shù)SKIPIF1<0在SKIPIF1<0上有極值，則實(shí)數(shù)SKIPIF1<0可以?。?/p>

）A．1 B．2 C．3 D．417．函數(shù)SKIPIF1<0在SKIPIF1<0處取得極大值，則a的值可以是（

）A．-1 B．0 C．3 D．4三、填空題18．已知函數(shù)SKIPIF1<0在SKIPIF1<0處取得極值，則a＝______.19．若函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上恰有一個(gè)極值點(diǎn)，則SKIPIF1<0的取值范圍是___________.20．若函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上有兩個(gè)極值點(diǎn)，則實(shí)數(shù)a的取值范圍是______．21．已知函數(shù)SKIPIF1<0（SKIPIF1<0）在SKIPIF1<0處有極大值，則實(shí)數(shù)SKIPIF1<0的值為_(kāi)_____．22．若函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0內(nèi)存在極小值，則SKIPIF1<0的取值范圍是___________.23．函數(shù)SKIPIF1<0在SKIPIF1<0上存在極值點(diǎn)，則a的取值范圍是______．24．設(shè)函數(shù)SKIPIF1<0，若SKIPIF1<0是函數(shù)SKIPIF1<0的一個(gè)極大值點(diǎn)，則實(shí)數(shù)b的取值范圍為_(kāi)_________．25．已知函數(shù)SKIPIF1<0在SKIPIF1<0上恰有一個(gè)極值，則SKIPIF1<0___________.26．若函數(shù)SKIPIF1<0在SKIPIF1<0處取得極小值，則實(shí)數(shù)m的取值范圍為_(kāi)_____．四、解答題27．已知定義在R上的函數(shù)SKIPIF1<0SKIPIF1<0，在SKIPIF1<0處取得極值.(1)求SKIPIF1<0的解析式；(2)討論SKIPIF1<0在區(qū)間SKIPIF1<0上的單調(diào)性.28．已知函數(shù)SKIPIF1<0(1)當(dāng)SKIPIF1<0，證明：SKIPIF1<0；(2)若函數(shù)SKIPIF1<0在SKIPIF1<0上恰有一個(gè)極值，求a的值．29．已知函數(shù)SKIPIF1<0．(1)當(dāng)SKIPIF1<0時(shí)，證明：當(dāng)SKIPIF1<0時(shí)，SKIPIF1<0；(2)若SKIPIF1<0，函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上存在極大值，求a的取值范圍．30．若函數(shù)SKIPIF1<0，當(dāng)SKIPIF1<0時(shí)，函數(shù)SKIPIF1<0取得極值SKIPIF1<0.(1)求函數(shù)SKIPIF1<0的解析式；(2)若方程SKIPIF1<0有3個(gè)不同的實(shí)數(shù)根，求實(shí)數(shù)k的取值范圍.31．已知函數(shù)SKIPIF1<0（其中SKIPIF1<0，SKIPIF1<0…為自然對(duì)數(shù)的底數(shù)）(1)當(dāng)SKIPIF1<0時(shí)，求函數(shù)SKIPIF1<0的單調(diào)區(qū)間；(2)當(dāng)SKIPIF1<0時(shí)，若SKIPIF1<0是SKIPIF1<0的兩極值點(diǎn)且SKIPIF1<0，求實(shí)數(shù)a的取值范圍．32．設(shè)函數(shù)SKIPIF1<0.(1)若曲線SKIPIF1<0在點(diǎn)SKIPIF1<0處的切線與SKIPIF1<0軸平行，求SKIPIF1<0；(2)若SKIPIF1<0在SKIPIF1<0處取得極大值，求SKIPIF1<0的取值范圍.33．已知函數(shù)SKIPIF1<0.(1)當(dāng)SKIPIF1<0時(shí)，求函數(shù)SKIPIF1<0的單調(diào)遞增區(qū)間；(2)設(shè)函數(shù)SKIPIF1<0，若SKIPIF1<0在SKIPIF1<0上存在極值，求a的取值范圍.34．已知函數(shù)SKIPIF1<0.(1)若SKIPIF1<0，求函數(shù)SKIPIF1<0的單調(diào)區(qū)間；(2)若SKIPIF1<0存在兩個(gè)極小值點(diǎn)SKIPIF1<0，求實(shí)數(shù)SKIPIF1<0的取值范圍.35．已知函數(shù)SKIPIF1<0，SKIPIF1<0．(1)討論函數(shù)SKIPIF1<0的單調(diào)性；(2)若SKIPIF1<0有且只有一個(gè)極值點(diǎn)，求a的取值范圍．36．已知函數(shù)SKIPIF1<0，曲線SKIPIF1<0在點(diǎn)SKIPIF1<0處的切線斜率為0．(1)求b的值；(2)若函數(shù)SKIPIF1<0的極大值為SKIPIF1<0，證明：SKIPIF1<0．37．已知函數(shù)f(x)＝ax2＋xlnx－ex，其中e是自然對(duì)數(shù)的底數(shù)．(1)求證：當(dāng)SKIPIF1<0時(shí)，函數(shù)f(x)是減函數(shù)；(2)若函數(shù)f(x)存在極值，求實(shí)數(shù)a的取值范圍．38．已知函數(shù)SKIPIF1<0，SKIPIF1<0，SKIPIF1<0．(

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間，僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

最新文檔

評(píng)論

0/150

提交評(píng)論