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已知 http://picflow.koolearn.com/upload/papers/20140824/20140824042058382264.png为自然对数的底数,设函数 http://picflow.koolearn.com/upload/papers/20140824/20140824042058413588.png,则(    )

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824042058429206.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042058444447.png的极小值点

B.http://picflow.koolearn.com/upload/papers/20140824/20140824042058460223.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042058444447.png的极小值点

C.http://picflow.koolearn.com/upload/papers/20140824/20140824042058429206.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042058444447.png的极大值点

D.http://picflow.koolearn.com/upload/papers/20140824/20140824042058460223.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824042058444447.png的极大值点

试卷相关题目

  • 1某人进行了如下的“三段论”推理:如果 http://picflow.koolearn.com/upload/papers/20140824/20140824024249543605.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824024249559372.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249574447.png的极值点,因为函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249590562.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824024249605365.png处的导数值 http://picflow.koolearn.com/upload/papers/20140824/20140824024249621525.png,所以 http://picflow.koolearn.com/upload/papers/20140824/20140824024249605365.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824024249590562.png的极值点.你认为以上推理的 (    )

    A.大前提错误

    B.小前提错误

    C.推理形式错误

    D.结论正确

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  • 2函数y=x 4-4x+3在区间[-2,3]上的最小值为(  )

    A.72

    B.36

    C.12

    开始考试点击查看答案
  • 3方程x 3﹣6x 2+9x﹣4=0的实根的个数为(  )

    B.1

    C.2

    D.3

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  • 4先后抛掷一个质地均匀的骰子两次,其结果记为 http://picflow.koolearn.com/upload/papers/20140824/20140824050747666476.png,其中 http://picflow.koolearn.com/upload/papers/20140824/20140824050747681283.png表示第一次抛掷的结果, http://picflow.koolearn.com/upload/papers/20140824/20140824050747697299.png表示第二次抛掷的结果,则函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050747713848.png有极值点的概率为(   )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824050747728385.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050747759392.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050747775370.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050747791372.png

    开始考试点击查看答案
  • 5已知 http://picflow.koolearn.com/upload/papers/20140824/20140824030800187663.png且关于 http://picflow.koolearn.com/upload/papers/20140824/20140824030800203266.png的函数 http://picflow.koolearn.com/upload/papers/20140824/201408240308002501197.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824030800265299.png上有极值,则 http://picflow.koolearn.com/upload/papers/20140824/20140824030800281292.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824030800281307.png的夹角范围是(  )

    A.http://picflow.koolearn.com/upload/papers/20140824/20140824030800296674.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824030800312520.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824030800328672.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824030800343746.png

    开始考试点击查看答案
  • 6函数 http://picflow.koolearn.com/upload/papers/20140824/20140824050338502544.png的最大值为(   )

    A.image.png

    B.http://picflow.koolearn.com/upload/papers/20140824/20140824050338533264.png

    C.http://picflow.koolearn.com/upload/papers/20140824/20140824050338549331.png

    D.http://picflow.koolearn.com/upload/papers/20140824/20140824050338565417.png

    开始考试点击查看答案
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