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已知函数 http://picflow.koolearn.com/upload/papers/20140823/201408232215166471437.png,且关于 http://picflow.koolearn.com/upload/papers/20140823/20140823221516740266.png的方程 http://picflow.koolearn.com/upload/papers/20140823/20140823221517115691.png有且只有一个实根,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823221517224283.png的范围是(  )

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/papers/20140823/20140823221517240550.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823221517255459.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823221517271479.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823221517302543.png

试卷相关题目

  • 1函数 http://picflow.koolearn.com/upload/papers/20140823/20140823232121456659.png的图象关于(  )

    A.y轴对称

    B.直线y=-x对称

    C.坐标原点对称

    D.直线y=x对称

    开始考试点击查看答案
  • 2设f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x)=∣x-1∣,f http://picflow.koolearn.com/upload/papers/20140823/20140823231000702705.png,函数g(x)是这样定义的:当f http://picflow.koolearn.com/upload/papers/20140823/20140823231000718582.png时,g(x)= f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x),当f http://picflow.koolearn.com/upload/papers/20140823/20140823231000671195.png(x)<f http://picflow.koolearn.com/upload/papers/20140823/20140823231000796432.png时,g(x)= f http://picflow.koolearn.com/upload/papers/20140823/20140823231000796432.png,若方程g(x)=a有四个不同的实数解,则实数a的取值范围是(    )

    A.a<4

    B.0

    C.0

    D.3开始考试点击查看答案

  • 3函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222258501622.png的图象如图,其中 a、 b为常数,则下列结论正确的是(   ) http://picflow.koolearn.com/upload/papers/20140823/201408232222585481105.png

    A.a>1,b<0

    B.a>1,b>0

    C.00

    D.0开始考试点击查看答案

  • 4函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214540989447.png的定义域为开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823214541005476.png,导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214541036466.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823214541005476.png内的图象如图所示,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823214540989447.png在开区间 http://picflow.koolearn.com/upload/papers/20140823/20140823214541005476.png内有极小值点 (   ) http://picflow.koolearn.com/upload/papers/20140823/201408232145410982045.jpg

    A.1个

    B.2个

    C.3个

    D.4个

    开始考试点击查看答案
  • 5如图,水以常速(即单位时间内注入水的体积相同)注入下面四种底面积相同的容器中,请分别找出与各容器对应的水的高度 http://picflow.koolearn.com/upload/papers/20140823/20140823220206537313.png与时间 http://picflow.koolearn.com/upload/papers/20140823/20140823220206552267.png的函数关系图像.则对应正确的是(     )

    A.http://picflow.koolearn.com/upload/papers/20140823/201408232202065681225.png

    B.http://picflow.koolearn.com/upload/papers/20140823/201408232202065991251.png

    C.http://picflow.koolearn.com/upload/papers/20140823/201408232202066151246.png

    D.http://picflow.koolearn.com/upload/papers/20140823/201408232202067081255.png http://picflow.koolearn.com/upload/papers/20140823/2014082322020673915470.png

    开始考试点击查看答案
  • 6已知 http://picflow.koolearn.com/upload/papers/20140823/20140823213554038524.png,则函数 http://picflow.koolearn.com/upload/papers/20140823/20140823213554116882.png的零点个数为  (    )

    A.1

    B.2

    C.3

    D.4

    开始考试点击查看答案
  • 7若函数 http://picflow.koolearn.com/upload/papers/20140823/201408232326104781065.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823232610493484.png内单调递减,则 http://picflow.koolearn.com/upload/papers/20140823/20140823232610509277.png的取值范围是 (    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823232610540497.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823232610556514.png

    C.[1,3)

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823232610571376.png

    开始考试点击查看答案
  • 8已知ω>0, http://picflow.koolearn.com/upload/papers/20140823/20140823215308008538.png,直线 http://picflow.koolearn.com/upload/papers/20140823/20140823215308055500.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823215308086552.png是函数f(x)=sin(ωx+φ)图像的两条相邻的对称轴,则φ=

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823215308117394.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823215308133414.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823215308273419.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823215308398473.png

    开始考试点击查看答案
  • 9http://picflow.koolearn.com/upload/papers/20140823/20140823223533293564.png的图象的横坐标伸长为原来的3倍,纵坐标缩短为原来的 http://picflow.koolearn.com/upload/papers/20140823/20140823223533324327.png,则所得函数的解析式为(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823223533340647.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823223533371741.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823223533387727.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823223533402720.png

    开始考试点击查看答案
  • 10已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823222529619686.png的图像一部分如下方左图,则下方右图的函数图像所对应的解析式为 http://picflow.koolearn.com/upload/papers/20140823/201408232225296509000.png 

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823222529681762.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823222529712670.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823222529728724.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823222529743736.png

    开始考试点击查看答案
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