导数的四则运算及复合函数求导运算练习题(共5页).docx

精选优质文档-倾情为你奉上一、选择题(共7小题,每小题5.0分,共35分) 1.函数y3sin(2x6)的导数为()Ay6cos(2x6)By3cos(2x6)Cy3cos(2x6)Dy6cos(2x6)2.函数f(x)e2xx的导函数是()Af(x)2e2xBf(x)2e2xxCf(x)(2x-1)e2xx2Df(x)(x-1)e2xx23.下列求导运算正确的是()A (x1x)11x2B (log2x)1xln2C (2x3)22(2x3)D (e2x)e2x4.已知函数f(x1)2x2x，则f(x)等于()A 4x3B 4x1C 4x5D 4x35.函数ycos(1x2)的导数是()