文档介绍：《高数》试卷1(上)(将答案代号填入括号内,每题3分,共30分).,是相同的函数的是().????????22x?xg|x?f|xx和g?fxx2ln?lnx(A)(B)和|x|??2????????x?xg?fx?gxxx?f1和(D)和(C)x?2?x?4sin0?x??????fxa?xln1?0x?().处连续,则??ax?0?1(A)0(B)(C)1(D)24y?xlnxx?y?1?0的切线方程为(的平行于直线).????1?xlnx?1y?y?x1?y?x1)??(xy?)(B)(A)(C)(D???|xf|xx?0处(,).(A)连续且可导(B)连续且可微(C)连续不可导(D)不连续不可微4x?y0x?.)是函数的()驻点且是极值点)驻点且是拐点(C(B)拐点((A)驻点但非极值点1?y的渐近线情况是().|x|(A)只有水平渐近线(B)只有垂直渐近线(C)既有水平渐近线又有垂直渐近线(D)既无水平渐近线又无垂直渐近线11????dxf的结果是(7.).??2xx??1111????????Cf??C?C?ff???C?f)(A(B)C)(D)(????????xxxx????????dx?的结果是(.).8xx?e?ex?xxx?x?x)?ln(eC?eCe?e?Ce?arctanarctane?C)()C)((B)D(().??x?xe?exarctan11??2????dxxsin?xxdxdxxxarcsindx44)((B(A)C)D()??22x?11?1???441??????)为连续函数,则等于(011????????????????0?ff2?f0f10?2f0f11?ff????(DB)(A())(C)????(每题4分,共20分)?2x??e1x?0???a?0x??,则x??0?ax?5???????2y?ffx2x?.,??dx??.4.??2x?1lnx???4?dx??.??210/15分,共30分)(?sinxx1???limlim②①????2xx??1e?x0?x??x???yxy?ln????x???0a?dxxe②③①????3xx??122ax?(每题10分,共20分)32xx?3y?.?2xy?x?《高数》?arctanlnx??2c24..??ye1①2.②x1?x?y61x?1??x?22?eC?1x?C|?ln|C|?a??ln|xx②③3.①3??《高数》试卷2(上)(将答案代号填入括号内,每题3分,共30分),是相同函数的是().2?x1??????2?xfx?gxxxf?y?x?1和(A)和(B)1x?????????222x?xlnffxx??g2lnxg?x(sinxx?cosxx)和(C)(D)和??1xsin2??x?1?x?1???????xlimf1fx2?x?(,则).?1x??2x?1x?1???(A)0(B)1(C)2(D)不存在???????????xffxx,xfy?y?fxx处的切线的倾斜角为处可导,且{在点}.>0,曲线则在点000?钝角(D)锐角(C)(A)0(B)23?y?2xx?lny).则该点坐标是上某点的切线平行于直线(,1111????????ln?2,2?2,ln,ln2ln,(B)(A)(C)(D)????????2222??????????x2?21,ey?x).(及图象在单调增加且是凹的(B)单调增加且是凸的(C)单调减少且是凹的(D)(A)单调减少且是凸的).(以下结论正确的是6.????x?fy?,的驻点(A)若为函数00????xxy??(B)函数,一定不是函数的极值点????????xy?xxfffx=,处取得极值且,(C)若函数则必有000?????xffy?,处连续(D)若函数在则0010/31????2exxfxfy?x).=(的一个原函数为,????xe2x?e2