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已知定义域为R的函数 http://picflow.koolearn.com/upload/papers/20140823/201408232123428031187.png,若关于 http://picflow.koolearn.com/upload/papers/20140823/20140823212342834266.png的方程 http://picflow.koolearn.com/upload/papers/20140823/20140823212342849803.png有3个不同的实根,则关于x的不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823212342865812.png的解集为(   )

发布时间:2021-08-04

A.(2,c)

B.(c,2)

C.(1,c)http://picflow.koolearn.com/upload/papers/20140823/20140823212342865168.png

D.(c,1)

试卷相关题目

  • 1函数 http://picflow.koolearn.com/upload/papers/20140823/20140823231720108540.png的图像大致是(    )  http://picflow.koolearn.com/upload/papers/20140823/201408232317202806051.jpg

    A.

    B.

    C.  

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  • 2函数 http://picflow.koolearn.com/upload/papers/20140823/201408232311446921517.png图象上关于坐标原点O对称的点恰有5对,则 http://picflow.koolearn.com/upload/papers/20140823/20140823231144708282.png的值可以为

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823231144739337.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823231144754367.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823231144801383.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823231144879365.png

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  • 3若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823234026405868.png在区间 http://picflow.koolearn.com/upload/papers/20140823/20140823234026420398.png上的图象如图所示,则 http://picflow.koolearn.com/upload/papers/20140823/20140823234026451411.png的值可能是 (   ) http://picflow.koolearn.com/upload/papers/20140823/201408232340264673096.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823234026498549.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823234026514551.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823234026545571.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823234026607498.png

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  • 4已知定义在 http://picflow.koolearn.com/upload/papers/20140823/20140823233400990403.png上的函数 http://picflow.koolearn.com/upload/papers/20140823/20140823233401021561.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823233401037550.png,其图象如下图所示: http://picflow.koolearn.com/upload/papers/20140823/201408232334010688003.jpg 给出下列四个命题: ①方程 http://picflow.koolearn.com/upload/papers/20140823/20140823233401224635.png有且仅有6个根   ②方程 http://picflow.koolearn.com/upload/papers/20140823/20140823233401318618.png有且仅有3个根 ③方程 http://picflow.koolearn.com/upload/papers/20140823/20140823233401443616.png有且仅有5个根   ④方程 http://picflow.koolearn.com/upload/papers/20140823/20140823233401474599.png有且仅有4个根 其中正确命题的序号(  )

    A.①②③

    B.②③④

    C.①②④

    D.①③④

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  • 5设函数 http://picflow.koolearn.com/upload/papers/20140823/20140823204935237477.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823204935252812.png的图象的交点是 http://picflow.koolearn.com/upload/papers/20140823/20140823204935268607.png,则 http://picflow.koolearn.com/upload/papers/20140823/20140823204935283405.png(   )

    A.(3,4)

    B.(2,3)

    C.(1,2)

    D.(0,1)

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  • 6已知函数y=" f" (x) 的周期为2,当x http://picflow.koolearn.com/upload/papers/20140823/20140823220729192252.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823220729208306.png时 f (x) =x 2,那么函数y =" f" (x) 的图像与函数y = http://picflow.koolearn.com/upload/papers/20140823/20140823220729239422.png的图像的交点共有(    )

    A.10个

    B.9个

    C.8个

    D.1个

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  • 7如图是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224238362561.png的导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823224238378578.png的图象,则下面判断正确的是(    ) http://picflow.koolearn.com/upload/papers/20140823/201408232242383941426.png

    A.在区间(-2,1)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是增函数

    B.在(1,3)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是减函数

    C.在(4,5)内http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png是增函数

    D.在http://picflow.koolearn.com/upload/papers/20140823/20140823224238596383.png时, http://picflow.koolearn.com/upload/papers/20140823/20140823224238534447.png取到极小值

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  • 8http://picflow.koolearn.com/upload/papers/20140823/20140823223225359597.png表示 http://picflow.koolearn.com/upload/papers/20140823/20140823223225375396.png两数中的最小值,若函数 http://picflow.koolearn.com/upload/papers/20140823/20140823223225406922.png的图象关于直线 http://picflow.koolearn.com/upload/papers/20140823/20140823223225422455.png对称,则 http://picflow.koolearn.com/upload/papers/20140823/20140823223225453267.png的值为

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823223225469304.png

    B.2

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823223225500224.png

    D.1

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  • 9http://picflow.koolearn.com/upload/papers/20140823/201408232207390361043.png的大小关系(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823220739051597.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823220739067595.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823220739082582.png

    D.与http://picflow.koolearn.com/upload/papers/20140823/20140823220739098266.png的取值有关

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  • 10下列图象中,有一个是函数 http://picflow.koolearn.com/upload/papers/20140823/20140823230500043873.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823230500058612.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823230500090452.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823230500105403.png)的 导函数 http://picflow.koolearn.com/upload/papers/20140823/20140823230500121466.png的图象,则 http://picflow.koolearn.com/upload/papers/20140823/20140823230500136427.png等于( ) http://picflow.koolearn.com/upload/papers/20140823/201408232305001686505.png

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823230500183327.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823230500199351.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823230500214375.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823230500199351.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823230500277356.png

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