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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

发布时间:2021-08-04

A.a>1,b<0

B.a>1,b>0

C.00

D.0

试卷相关题目

  • 1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

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  • 2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

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  • 3已知函数f(x)=|x|+ http://picflow.koolearn.com/upload/papers/20140823/20140823234127104325.png,则函数y=f(x)的大致图像为: http://picflow.koolearn.com/upload/papers/20140823/201408232341271203067.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232341271514337.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232341271824952.pnghttp://picflow.koolearn.com/upload/papers/20140823/201408232341272133170.png

    C.

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  • 4已知函数 http://picflow.koolearn.com/upload/papers/20140823/20140823232116246573.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823232116246582.png的图像如图所示,则不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823232116277732.png 的解集是(    )

    A.http://picflow.koolearn.com/upload/papers/20140823/20140823232116293440.png

    B.http://picflow.koolearn.com/upload/papers/20140823/20140823232116324482.png

    C.http://picflow.koolearn.com/upload/papers/20140823/20140823232116339704.png

    D.http://picflow.koolearn.com/upload/papers/20140823/20140823232116355676.png http://picflow.koolearn.com/upload/papers/20140823/201408232321163713494.png

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  • 5.某工厂八年来某种产品总产量C与时间t的函数关系如图所示. http://picflow.koolearn.com/upload/papers/20140823/201408232305104481707.jpg 下列说法: ①前三年中产量增长的速度越来越快; ②前三年中产量增长的速度保持稳定; ③第三年后产量增长的速度保持稳定; ④第三年后,年产量保持不变; ⑤第三年后,这种产品停止生产. 其中说法正确的是 (  )

    A.②⑤

    B.①③

    C.①④

    D.②④

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  • 6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

  • 7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

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  • 8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(  )

    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

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  • 9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

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  • 10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

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