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已知 http://picflow.koolearn.com/upload/papers/20140824/20140824003247314836.png,若 http://picflow.koolearn.com/upload/papers/20140824/20140824003247330534.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824003247345283.png的值等于(      )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140824/20140824003247361427.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824003247376418.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824003247376441.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824003247392395.png

试卷相关题目

  • 1已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824002948351559.png的图象是连续不断的曲线,且有如下的对应值表http://picflow.koolearn.com/upload/papers/20140824/20140824002948366266.png123456http://picflow.koolearn.com/upload/papers/20140824/20140824002948382310.png124.435-7414.5-56.7-123.6  则函数 http://picflow.koolearn.com/upload/papers/20140824/20140824002948351559.png在区间[1,6]上的零点至少有(   )

    A.2个

    B.3个

    C.4个

    D.5个

    开始考试点击查看答案
  • 2已知一等差数列的前四项和为124,后四项和为156,各项和为210,则此等差数列的项数是(    )

    A.5

    B.6

    C.7

    D.8

    开始考试点击查看答案
  • 3已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824005928610447.png在R上可导,且 http://picflow.koolearn.com/upload/papers/20140824/20140824005928626793.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824005928641427.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824005928657411.png的大小为(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824005928672545.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824005928688577.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824005928704535.png

    D.不确定

    开始考试点击查看答案
  • 4http://picflow.koolearn.com/upload/papers/20140824/20140824005437763754.png在区间 http://picflow.koolearn.com/upload/papers/20140824/20140824005437779326.png上的最大值是(   )

    A.-2

    B.0C.2D.4

    开始考试点击查看答案
  • 5设函数 f ( x)= x 3-4 x+ a,0< a<2.若 f ( x)的三个零点为 x 1, x 2, x 3,且 x 1< x 2< x 3,则

    A.x1>-1

    B.x2<0

    C.x2>0

    D.x3>2

    开始考试点击查看答案
  • 6已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824012241006785.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824012241006514.png上是单调函数,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824012241022283.png的取值范围是(    )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824012241037806.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824012241053474.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824012241069849.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824012241084521.png

    开始考试点击查看答案
  • 7若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020013166447.png的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020013198750.png,则使得函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020013213499.png单调递减的一个充分不必要条件是 http://picflow.koolearn.com/upload/papers/20140824/20140824020013229333.png(    )

    A.(0,1)

    B.[0,2]

    C.(2,3)

    D.(2,4)

    开始考试点击查看答案
  • 8若函数 http://picflow.koolearn.com/upload/papers/20140824/20140824012012509493.png在R 上可导,且满足 http://picflow.koolearn.com/upload/papers/20140824/20140824012012525723.png,则(     )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824012012541700.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824012012556729.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824012012572710.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824012012603687.png

    开始考试点击查看答案
  • 9已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824013715044447.png的导函数 http://picflow.koolearn.com/upload/papers/20140824/20140824013715060481.png满足 http://picflow.koolearn.com/upload/papers/20140824/20140824013715060481.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715091266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715122433.png),则(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715169388.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715169388.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715232368.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824013715138611.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824013715232368.png

    开始考试点击查看答案
  • 10定义在 http://picflow.koolearn.com/upload/papers/20140824/20140824021004907303.png上的函数 http://picflow.koolearn.com/upload/papers/20140824/20140824021004922945.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824021004938447.png  (    )

    A.既有最大值也有最小值

    B.既没有最大值,也没有最小值

    C.有最大值,但没有最小值

    D.没有最大值,但有最小值

    开始考试点击查看答案
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