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專題02函數(shù)概念與基本初等函數(shù)(新定義,高數(shù)觀點(diǎn),選填壓軸題)目錄TOC\o"1-1"\h\u一、函數(shù)及其表示 1二、函數(shù)的基本性質(zhì) 2三、分段函數(shù) 4四、函數(shù)的圖象 5五、二次函數(shù) 7六、指對(duì)冪函數(shù) 7七、函數(shù)與方程 8八、新定義題 9一、函數(shù)及其表示1.(2023·江西·校聯(lián)考模擬預(yù)測(cè))已知函數(shù)SKIPIF1<0,SKIPIF1<0,若對(duì)任意的SKIPIF1<0,存在SKIPIF1<0,使SKIPIF1<0,則SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.(2023春·甘肅白銀·高二??计谀┮阎瘮?shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0則SKIPIF1<0的定義域?yàn)?.(2023春·內(nèi)蒙古巴彥淖爾·高二校考期末)已知函數(shù)SKIPIF1<0定義域?yàn)镾KIPIF1<0,則函數(shù)SKIPIF1<0的定義域?yàn)?4.(2023·全國·高一專題練習(xí))已知函數(shù)SKIPIF1<0的值域?yàn)镾KIPIF1<0,則常數(shù)SKIPIF1<0.5.(2023·全國·高三專題練習(xí))求函數(shù)SKIPIF1<0的值域.6.(2023·全國·高三專題練習(xí))當(dāng)SKIPIF1<0時(shí),求函數(shù)SKIPIF1<0的最小值.7.(2023·高一課時(shí)練習(xí))若函數(shù)SKIPIF1<0滿足方程SKIPIF1<0且SKIPIF1<0,則:(1)SKIPIF1<0;(2)SKIPIF1<0.8.(2023·全國·高三專題練習(xí))若SKIPIF1<0滿足關(guān)系式SKIPIF1<0,則SKIPIF1<0,若SKIPIF1<0,則實(shí)數(shù)m的取值范圍是.二、函數(shù)的基本性質(zhì)1.(2023春·遼寧鐵嶺·高二昌圖縣第一高級(jí)中學(xué)校考期末)已知函數(shù)SKIPIF1<0,則不等式SKIPIF1<0的解集是(

).A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.(2023春·甘肅白銀·高二校考期末)已知定義在SKIPIF1<0上的函數(shù)SKIPIF1<0在SKIPIF1<0單調(diào)遞增,且SKIPIF1<0是偶函數(shù),則不等式SKIPIF1<0的解集為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.(2023秋·重慶九龍坡·高一重慶市楊家坪中學(xué)??计谀┤舳x在SKIPIF1<0的奇函數(shù)SKIPIF1<0在SKIPIF1<0單調(diào)遞減,且SKIPIF1<0,則滿足SKIPIF1<0的SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<04.(2023·全國·高三專題練習(xí))函數(shù)SKIPIF1<0的單調(diào)遞增區(qū)間為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(2023春·河北唐山·高二校聯(lián)考期末)已知函數(shù)SKIPIF1<0,SKIPIF1<0,若SKIPIF1<0,SKIPIF1<0,使得SKIPIF1<0,則實(shí)數(shù)SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.(2023春·廣西北海·高二統(tǒng)考期末)設(shè)函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,滿足SKIPIF1<0,且當(dāng)SKIPIF1<0時(shí),SKIPIF1<0.若對(duì)任意SKIPIF1<0,都有SKIPIF1<0成立,則SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.(2023·云南·云南師大附中校考模擬預(yù)測(cè))已知函數(shù)SKIPIF1<0,SKIPIF1<0的定義域均為SKIPIF1<0,SKIPIF1<0,SKIPIF1<0是偶函數(shù),且SKIPIF1<0,SKIPIF1<0,則(

)A.SKIPIF1<0關(guān)于直線SKIPIF1<0對(duì)稱 B.SKIPIF1<0關(guān)于點(diǎn)SKIPIF1<0中心對(duì)稱C.SKIPIF1<0 D.SKIPIF1<08.(2023春·新疆·高二統(tǒng)考期末)若奇函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,且SKIPIF1<0時(shí),SKIPIF1<0,則SKIPIF1<0時(shí),SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.(2023·云南昭通·校聯(lián)考模擬預(yù)測(cè))已知函數(shù)SKIPIF1<0是定義域?yàn)镾KIPIF1<0上的奇函數(shù),滿足SKIPIF1<0,若SKIPIF1<0,則SKIPIF1<0(

)A.2 B.3 C.4 D.510.(2023春·安徽黃山·高二統(tǒng)考期末)已知函數(shù)SKIPIF1<0是定義在SKIPIF1<0上的偶函數(shù),且SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.(多選)(2023秋·重慶渝中·高三重慶巴蜀中學(xué)??茧A段練習(xí))已知函數(shù)SKIPIF1<0的定義域?yàn)镾KIPIF1<0,且SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則(

)A.SKIPIF1<0 B.SKIPIF1<0是偶函數(shù)C.SKIPIF1<0的一個(gè)周期SKIPIF1<0 D.SKIPIF1<012.(多選)(2023春·河北保定·高二校聯(lián)考期末)定義在SKIPIF1<0上的奇函數(shù)SKIPIF1<0滿足SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0,則(

)A.SKIPIF1<0是奇函數(shù) B.SKIPIF1<0的最小正周期為4C.SKIPIF1<0的圖象關(guān)于點(diǎn)SKIPIF1<0對(duì)稱 D.SKIPIF1<013.(2023春·遼寧沈陽·高二校考期末)已知定義在SKIPIF1<0上的函數(shù)SKIPIF1<0滿足SKIPIF1<0,且SKIPIF1<0關(guān)于SKIPIF1<0對(duì)稱,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0.若SKIPIF1<0,則SKIPIF1<0.三、分段函數(shù)1.(2023·寧夏銀川·銀川一中??寄M預(yù)測(cè))設(shè)函數(shù)SKIPIF1<0,則SKIPIF1<0(

)A.4 B.5 C.6 D.72.(2023春·寧夏銀川·高二銀川一中校考期末)已知函數(shù)SKIPIF1<0是SKIPIF1<0上的增函數(shù),則SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<03.(2023春·吉林長春·高一??奸_學(xué)考試)已知函數(shù)SKIPIF1<0滿足對(duì)任意實(shí)數(shù)SKIPIF1<0,都有SKIPIF1<0成立,則a的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.(2023春·吉林長春·高二長春外國語學(xué)校校考期末)已知定義在R上的奇函數(shù)滿足SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0,則SKIPIF1<0(

)A.2 B.SKIPIF1<0 C.-2 D.-SKIPIF1<05.(2023春·江蘇蘇州·高一校聯(lián)考期末)已知函數(shù)SKIPIF1<0,則下列說法錯(cuò)誤的是(

)A.SKIPIF1<0是單調(diào)遞增函數(shù) B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<06.(2023·河南·襄城高中校聯(lián)考三模)已知函數(shù)SKIPIF1<0的最大值為0,則實(shí)數(shù)a的取值范圍為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.(2023春·遼寧·高二校聯(lián)考階段練習(xí))已知函數(shù)SKIPIF1<0若SKIPIF1<0,則SKIPIF1<0(

)A.4 B.3 C.2 D.18.(2023春·山西太原·高二太原五中??茧A段練習(xí))已知函數(shù)SKIPIF1<0,若SKIPIF1<0,則實(shí)數(shù)SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0四、函數(shù)的圖象1.(2023春·云南保山·高二校聯(lián)考期末)函數(shù)SKIPIF1<0的圖象可能是(

)A. B.C. D.2.(2023春·廣東韶關(guān)·高二統(tǒng)考期末)SKIPIF1<0部分圖象大致是(

)A. B.

C.

D.3.(2023春·云南楚雄·高二統(tǒng)考期末)函數(shù)SKIPIF1<0的部分圖象大致為(

)A. B.C. D.4.(2023春·湖北武漢·高一華中師大一附中校考期末)下列四個(gè)函數(shù)中的某個(gè)函數(shù)在區(qū)間SKIPIF1<0上的大致圖象如圖所示,則該函數(shù)是(

A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(2023春·河北滄州·高二統(tǒng)考期中)函數(shù)SKIPIF1<0的圖象大致為(

)A.

B.

C.

D.

6.(2023·內(nèi)蒙古赤峰·統(tǒng)考二模)函數(shù)SKIPIF1<0在SKIPIF1<0上的圖象大致為(

)A. B.C. D.五、二次函數(shù)1.(2023秋·陜西咸陽·高一統(tǒng)考期末)已知函數(shù)SKIPIF1<0與SKIPIF1<0的圖象上不存在關(guān)于SKIPIF1<0軸對(duì)稱的點(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<02.(2023·全國·高三專題練習(xí))已知函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上單調(diào)遞減,則實(shí)數(shù)SKIPIF1<0的取值范圍是.3.(2023春·山西運(yùn)城·高二康杰中學(xué)??茧A段練習(xí))已知函數(shù)SKIPIF1<0在區(qū)間SKIPIF1<0上的最小值為1,則實(shí)數(shù)SKIPIF1<0的值為.4.(2023·江蘇·高一假期作業(yè))如果函數(shù)SKIPIF1<0定義在區(qū)間SKIPIF1<0上,求SKIPIF1<0的值域.六、指對(duì)冪函數(shù)1.(多選)(2023春·廣西南寧·高二賓陽中學(xué)校聯(lián)考期末)已知SKIPIF1<0,則實(shí)數(shù)SKIPIF1<0,SKIPIF1<0滿足(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.(多選)(2023春·福建福州·高二福州三中??计谀┮阎瘮?shù)SKIPIF1<0,設(shè)SKIPIF1<0(SKIPIF1<0,2,3)為實(shí)數(shù),SKIPIF1<0,且SKIPIF1<0,則(

)A.函數(shù)SKIPIF1<0的圖象關(guān)于點(diǎn)SKIPIF1<0對(duì)稱B.不等式SKIPIF1<0的解集為SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<03.(2023春·浙江紹興·高二統(tǒng)考期末)已知定義在SKIPIF1<0上的函數(shù)SKIPIF1<0滿足:SKIPIF1<0為奇函數(shù),SKIPIF1<0為偶函數(shù),當(dāng)SKIPIF1<0時(shí),SKIPIF1<0,則SKIPIF1<0等于(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.(2023·河南·校聯(lián)考模擬預(yù)測(cè))已知冪函數(shù)SKIPIF1<0的圖象過SKIPIF1<0,SKIPIF1<0,SKIPIF1<0(SKIPIF1<0)是函數(shù)圖象上的任意不同兩點(diǎn),則下列結(jié)論中正確的是(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<05.(2023·吉林白山·統(tǒng)考二模)函數(shù)SKIPIF1<0的定義域?yàn)镽,則實(shí)數(shù)a的取值范圍是(

).A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.(2023·貴州黔東南·凱里一中校考模擬預(yù)測(cè))已知函數(shù)SKIPIF1<0,且SKIPIF1<0,則實(shí)數(shù)SKIPIF1<0的取值范圍是(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0七、函數(shù)與方程1.(2023·貴州畢節(jié)·??寄M預(yù)測(cè))若函數(shù)SKIPIF1<0有唯一零點(diǎn),則實(shí)數(shù)SKIPIF1<0(

)A.2 B.SKIPIF1<0 C.4 D.12.(2023春·福建福州·高二??计谀┮阎瘮?shù)SKIPIF1<0,則方程SKIPIF1<0的解的個(gè)數(shù)是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.(2023春·江西南昌·高二南昌二中??计谀┮阎瘮?shù)SKIPIF1<0,若SKIPIF1<0有四個(gè)不同的解SKIPIF1<0且SKIPIF1<0,則SKIPIF1<0可能的取值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.(2023春·江蘇鹽城·高一江蘇省響水中學(xué)??计谀┮阎瘮?shù)SKIPIF1<0,若函數(shù)SKIPIF1<0有五個(gè)零點(diǎn),則實(shí)數(shù)SKIPIF1<0的取值范圍是.5.(2023春·廣東廣州·高一校考期中)已知函數(shù)SKIPIF1<0,若關(guān)于x的方程SKIPIF1<0有四個(gè)不同的實(shí)數(shù)根,則實(shí)數(shù)a的取值范圍是.6.(2023春·遼寧大連·高二統(tǒng)考期末)已知函數(shù)SKIPIF1<0,若存在區(qū)間SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0的值域?yàn)镾KIPIF1<0,且SKIPIF1<0,其中SKIPIF1<0表示不超過SKIPIF1<0的最大整數(shù),則SKIPIF1<0的取值范圍為.7.(2023春·河北唐山·高二校聯(lián)考期末)已知定義在SKIPIF1<0上的函數(shù)SKIPIF1<0,滿足SKIPIF1<0,當(dāng)SKIPIF1<0時(shí),SKIPIF1<0,若方程SKIPIF1<0在區(qū)間SKIPIF1<0內(nèi)有實(shí)數(shù)解,則實(shí)數(shù)SKIPIF1<0的取值范圍為.八、新定義題1.(2023春·廣東·高一統(tǒng)考期末)嶺南古邑的番禺不僅擁有深厚的歷史文化底蘊(yùn),還聚焦生態(tài)的發(fā)展.下圖SKIPIF1<0是番禺區(qū)某風(fēng)景優(yōu)美的公園地圖,其形狀如一顆愛心.圖SKIPIF1<0是由此抽象出來的一個(gè)“心形”圖形,這個(gè)圖形可看作由兩個(gè)函數(shù)的圖象構(gòu)成,則“心形”在SKIPIF1<0軸上方的圖象對(duì)應(yīng)的函數(shù)解析式可能為(

A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<02.(2023·全國·高一專題練習(xí))在數(shù)學(xué)中,布勞威爾不動(dòng)點(diǎn)定理是拓?fù)鋵W(xué)里一個(gè)非常重要的不動(dòng)點(diǎn)定理,它可應(yīng)用到有限維空間,并構(gòu)成一般不動(dòng)點(diǎn)定理的基石.布勞威爾不動(dòng)點(diǎn)定理得名于荷蘭數(shù)學(xué)家魯伊茲?布勞威爾(L.E.J.Brouwer),簡單的講就是對(duì)于滿足一定條件的圖象不間斷的函數(shù)f(x),存在一個(gè)點(diǎn)x0,使得f(x0)=x0,那么我們稱該函數(shù)為“不動(dòng)點(diǎn)“函數(shù).下列為“不動(dòng)點(diǎn)”函數(shù)的是(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<03.(2023春·云南紅河·高一統(tǒng)考期末)2023年2月27日,學(xué)堂梁子遺址入圍2022年度全國十大考古新發(fā)現(xiàn)終評(píng)項(xiàng)目.該遺址先后發(fā)現(xiàn)石制品300多件,已知石制品化石樣本中碳14質(zhì)量N隨時(shí)間t(單位:年)的衰變規(guī)律滿足SKIPIF1<0(SKIPIF1<0表示碳14原有的質(zhì)量).經(jīng)過測(cè)定,學(xué)堂梁子遺址中某件石制品化石樣本中的碳14質(zhì)量約是原來的SKIPIF1<0倍,據(jù)此推測(cè)該石制品生產(chǎn)的時(shí)間距今約(

).(參考數(shù)據(jù):SKIPIF1<0,SKIPIF1<0)A.8037年 B.8138年 C.8237年 D.8337年4.(2023春·江蘇南京·高一??计谥校甏哪P蚐KIPIF1<0是由岡珀茨SKIPIF1<0提出,可作為動(dòng)物種群數(shù)量變化的模型,并用于描述種群的消亡規(guī)律.已知某珍稀物種SKIPIF1<0年后的種群數(shù)量SKIPIF1<0近似滿足岡珀茨模型:SKIPIF1<0(當(dāng)SKIPIF1<0時(shí),表示2020年初的種群數(shù)量),請(qǐng)預(yù)測(cè)從哪一年年初開始,該物種的種群數(shù)量將不足2022年初種群數(shù)量的一半(

)SKIPIF1<0A.2031 B.2020 C.2029 D.2

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