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1、第十一节变化率与导数、导数的计算一、导数的概念1．函数y＝f(x)在x＝x0处的导数(1)定义：称函数y＝f(x)在x＝x0处的瞬时变化率＝为函数y＝f(x)在x＝x0处的导数，记作f′(x0)或y′
2、x＝x0，即f′(x0)＝＝.(2)几何意义：函数f(x)在点x0处的导数f′(x0)的几何意义是在曲线y＝f(x)上点(x0，f(x0))处的切线的斜率(瞬时速度就是位移函数s(t)对时间t的导数)．相应地，切线方程为y－f(x0)＝f′(x0)(x－x0)．2．函数f(x)的导函数称函数f′(x)＝为f(x)的导函数．二、基本初等函数的导数公式原函数导函数f(x)＝c
3、(c为常数)f′(x)＝0f(x)＝xn(n∈Q*)f′(x)＝nxn－1f(x)＝sinxf′(x)＝cos_xf(x)＝cosxf′(x)＝－sin_xf(x)＝axf′(x)＝axln_af(x)＝exf′(x)＝exf(x)＝logaxf′(x)＝f(x)＝lnxf′(x)＝三、导数的运算法则在安全生产高压态势下，他由测量施工岗位转战到分公司安全管理工作andduediligenceevaluationsarticle22ndheadoffice,branch(jurisdiction),riskmanagement,marketingmanagementbra
4、nchwithintheDepartment'screditbusinesspersonassumedresponsibilityforthesupervisionandinspectionandduediligenceevaluations.Article23rd,HeadOffice,branches(jurisdiction),riskmanagement,MarketingManagementDepartmentthroughon-siteandoff-siteinspection,investigationreport,interviewswithinvest
5、igatorsforpre-loaninvestigationworkbywayofconductingsupervisionandinspection,qualityevaluationpre-loaninvestigationwork,andbasedontheevaluationresults,theimplementationofdiversitymanagement.24ththecontrolandinspection(a)theimplementationofthecreditsystem:thereisnobreachofcreditpolicyrela
6、tingtothegrantingofcreditandtheheadoffice;(B)dualcreditrating:timelinessofratings,whethertheprovisionsoftherating,ratingresultsareaccurate;(C)thesurveycontents:datacollectioniscomplete,reportwritingiscomprehensive,indicatorsanalysisisobjective,real,conclusionsandthefactsareconsistentandr
7、easonable;(D)doubleimplementationofinvestigationssystem:practicalimplementationofdoublesystem;(E)othersupervisionandinspectionofthecontents.25thduediligenceevaluationofficesandbranches(jurisdiction),riskmanagement,MarketingManagementDepartmentagreedtocarryoutpre-loaninvestigationsupervis
8、ionandinspectionwork,evaluatewhetherinvestigatorsduediligencetodeterminewhethertheexemptionshouldbe.Investigatorsshouldbecompatiblewith.Duediligenceassessmentshouldbebasedonthefactthat,followingtheprinciplesofobjectivity,impartialityandfairness.Article26thhead1．[f(x)±g(x)
