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1、‰高等数学(Ⅰ)练习第一章函数、极限与连续________系_______专业班级姓名__________学号_______习题一函数一．选择题1.函数的定义域为[D]（A）（0，1）（B）(0,1)(1,4)（C）(0,4)（D）]2.的定义域为[C]（A）（B）(0,3)（C）（D）3．函数是[A]（A）奇函数（B）非奇非偶函数（C）偶函数（D）既是奇函数又是偶函数4．下列函数中为偶函数且在上是减函数的是[D]（A）（B）（C）（D）.二．填空题1.已知则22.已知则3.已知,,则4.求函数的反函数5.下列函数可以看成由哪些基本初等函数复合
2、而成(1)：(2)：_______________________________三.计算题1．设的定义域为,求的定义域office,branchoffices(jurisdiction),riskmanagement,marketingmanagementsectorthroughsupervisionandinspectionfoundproblems,shouldbeassignedtheinvestigatorsarecorrectedinatimelymanner.27ththefifthchapterpenaltyunderanyo
3、fthefollowingacts,thentherelevantprovisionstopunishtheinvestigators,accordingtotheBank.Toconstituteacrimeshallbeinvestigatedforcriminalresponsibility:(A)onthebusinessthatarenotinvolvedintheinvestigation,issuedasurvey.(B)customercreditinformationarenotthoroughverification.(Ii
4、i)toparticipateincreditcustomersurveyisnotinplace,customersanddataisincomplete,untrue;heknowsbearacounterfeitedclientsissuingcredit.(D)doesnotprovideforduediligenceofcreditbusiness,pre-loaninvestigationform,concealingfactsorprovidingfalseinformationorshouldbefoundinanormalin
5、vestigationfailedtodiscovertheriskfactors,leadtothereviewandapprovalpolicyerrors,loanrisk.(Five)onloanguaranteesofsurveynotinplace,notbyprovidesonarrived,andpledgerealforfieldverification,andassessment,andidentificationandregistration,notaccordingtoprovidesonguarantorofguara
6、nteesqualificationandguaranteescapacityforsurveyverified,ledtoguaranteesloanlostauthenticity,andlegitimacy,andeffectivenessof;cycleloanbusinessintheofmortgage172.设,求,并作出函数的图形.4.已知水渠的横断面为等腰梯形，斜角（图1-22）。当过水断面ABCD的面积为定值时，求湿周L(L=AB+BC+CD)与水深之间的函数关系，并指明其定义域。ADBC图1-22b5.收音机每台售价为90
7、元，成本为60元。厂方为鼓励销售商大量采购，决定凡是定购量超过100台以上的，每多订购1台，售价就降低1分，但最低价为每台75元.（1）将每台的实际售价表示为订购量的函数（2）将厂方所获的利润表示成订购量的函数（3）某一商行订购了1000台，厂方可获利润多少？解：office,branchoffices(jurisdiction),riskmanagement,marketingmanagementsectorthroughsupervisionandinspectionfoundproblems,shouldbeassignedtheinve
8、stigatorsarecorrectedinatimelymanner.27ththefifthchapterpenaltyunderanyofth
