最新電大高等數(shù)學(xué)基礎(chǔ)形成性考核手冊(cè)答案(含題目)

1、1高等數(shù)學(xué)基礎(chǔ)形考作業(yè)高等數(shù)學(xué)基礎(chǔ)形考作業(yè)1答案：答案：第1章函數(shù)函數(shù)第2章極限與連續(xù)極限與連續(xù)（一）單項(xiàng)選擇題⒈下列各函數(shù)對(duì)中，（C）中的兩個(gè)函數(shù)相等A.，B.，2)()(xxf?xxg?)(2)(xxf?xxg?)(C.，D.，3ln)(xxf?xxgln3)(?1)(??xxf11)(2???xxxg⒉設(shè)函數(shù)的定義域?yàn)?，則函數(shù)的圖形關(guān)于（C）對(duì)稱)(xf)(????)()(xfxf??A.坐標(biāo)原點(diǎn)B.軸xC.軸D.yxy?⒊下列函

2、數(shù)中為奇函數(shù)是（B）A.B.)1ln(2xy??xxycos?C.D.2xxaay???)1ln(xy??⒋下列函數(shù)中為基本初等函數(shù)是（C）A.B.1??xyxy??C.D.2xy????????0101xxy⒌下列極限存計(jì)算不正確的是（D）A.B.12lim22????xxx0)1ln(lim0???xxC.D.0sinlim???xxx01sinlim???xxx⒍當(dāng)時(shí)，變量（C）是無窮小量0?xA.B.xxsinx1C.D.xx1

3、sin2)ln(?x⒎若函數(shù)在點(diǎn)滿足（A），則在點(diǎn)連續(xù)。)(xf0x)(xf0xA.B.在點(diǎn)的某個(gè)鄰域內(nèi)有定義)()(lim00xfxfxx??)(xf0xC.D.)()(lim00xfxfxx???)(lim)(lim00xfxfxxxx?????3C設(shè)梯形ABCD即為題中要求的梯形，設(shè)高為h，即OE=h，下底CD＝2R直角三角形AOE中，利用勾股定理得2222AEOAOERh????則上底＝2222AERh??故????222222

4、2hSRRhhRRh??????A⒋求xxx2sin3sinlim0?解：＝000sin3sin33sin3333limlimlimsin2sin2sin22222xxxxxxxxxxxxxxx????????133122??⒌求)1sin(1lim21????xxx解：21111(1)(1)111limlimlim2sin(1)sin(1)sin(1)11xxxxxxxxxxx?????????????????????⒍求xxx3ta

5、nlim0?解：000tan3sin31sin311limlimlim3133cos33cos31xxxxxxxxxxx???????????A⒎求xxxsin11lim20???解：22222200011(11)(11)limlimlimsin(11)sin(11)sinxxxxxxxxxxxx?????????????????020lim0sin111(11)xxxxx????????⒏求xxxx)31(lim????解：11433