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http://picflow.koolearn.com/upload/2013-03/15/bb8056e6-9085-4c5c-aa2d-27f90f0ba891/paper.files/image001.png,则 http://picflow.koolearn.com/upload/2013-03/15/bb8056e6-9085-4c5c-aa2d-27f90f0ba891/paper.files/image002.png(   )

发布时间:2021-08-04

A.2

B.4

C.http://picflow.koolearn.com/upload/2013-03/15/bb8056e6-9085-4c5c-aa2d-27f90f0ba891/paper.files/image003.png

D.10

试卷相关题目

  • 1下列四个函数中,与y=x表示同一函数的是(   )

    A.y=(http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image004.png)2

    B.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image005.png

    C.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image006.png

    D.y=http://picflow.koolearn.com/upload/2012-11/08/fc66564e-b8f3-4146-aec0-ce3c2fda1f4a/paper.files/image007.png

    开始考试点击查看答案
  • 2下列各组函数是同一函数的是(   )

    A.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image015.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image016.png

    B.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image017.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image018.png

    C.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image019.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image020.png

    D.http://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image021.pnghttp://picflow.koolearn.com/upload/2013-07/23/1951704e-94a6-4480-8f0e-350f9e4576ea/paper.files/image022.png

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  • 3函数 http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image084.png其中P,M为实数集R的两个非空子集,又规定f(P)={y|y=f(x),x∈P},f(M)={y|y=f(x),x∈M}.给出下列四个判断: ①若P∩M= http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png,则f(P)∩f(M)= http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png; ②若P∩M≠ http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png,则f(P)∩f(M) ≠ http://picflow.koolearn.com/upload/2013-03/05/a9522ffc-0b6c-47ce-a4bc-16d9eb68cfcf/paper.files/image085.png; ③若P∪M=R,则f(P)∪f(M)=R; ④若P∪M≠R,则f(P)∪f(M)≠R. 其中正确判断有(     )

    A.0个

    B.1个

    C.2个

    D.4个

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  • 4若曲线y= http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image063.png上存在三点A,B,C,使得 http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image064.png,则称曲线有“中位点”,下列曲线 (1)y=cosx,,(2) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image065.png,(3) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image066.png,(4) http://picflow.koolearn.com/upload/2013-11/26/1185367c-e792-453e-8545-b6726630f50a/paper.files/image067.png有“中位点”的是(   )

    A.(2)(4)

    B.(1)(3)(4)

    C.(1)(2)(4) C.(2)(3)

    D.(2)(3)(4)

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  • 5等腰三角形的周长是20,底边长y是一腰的长x的函数,则y等于(  )

    A.20-2x(0

    B.20-2x(0

    C.20-2x(5≤x≤10)

    D.20-2x(5开始考试点击查看答案

  • 6已知 http://picflow.koolearn.com/upload/2012-10/29/14544be8-71d0-4885-b53c-2f1d763dc252/paper.files/image060.png,则 http://picflow.koolearn.com/upload/2012-10/29/14544be8-71d0-4885-b53c-2f1d763dc252/paper.files/image061.png等于(  )

    A.2

    B.3

    C.4

    D.5

    开始考试点击查看答案
  • 7下列函数中与 http://picflow.koolearn.com/upload/2014-01/08/b65aafc3-e43e-4f0c-b47c-3cb2be2179cd/paper.files/image037.png为同一函数的是

    A.http://picflow.koolearn.com/upload/2014-01/08/b65aafc3-e43e-4f0c-b47c-3cb2be2179cd/paper.files/image038.png

    B.http://picflow.koolearn.com/upload/2014-01/08/b65aafc3-e43e-4f0c-b47c-3cb2be2179cd/paper.files/image039.png

    C.http://picflow.koolearn.com/upload/2014-01/08/b65aafc3-e43e-4f0c-b47c-3cb2be2179cd/paper.files/image040.png

    D.http://picflow.koolearn.com/upload/2014-01/08/b65aafc3-e43e-4f0c-b47c-3cb2be2179cd/paper.files/image041.png

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  • 8记实数 http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image086.png中的最大数为max{ http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image086.png} , 最小数为min{ http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image086.png}则max{min{ http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image087.png}}=   (   )

    A.http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image088.png

    B.1

    C.3

    D.http://picflow.koolearn.com/upload/2013-10/22/756d879c-26b3-4e32-a337-aba48cf54cdf/paper.files/image089.png

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  • 9对于定义域为 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image085.png的函数 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image086.png和常数 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image087.png,若对任意正实数 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image088.pnghttp://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image089.png使得 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image090.png恒成立,则称函数 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image086.png为“敛 http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image087.png函数”.现给出如下函数: ① http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image091.png;             ② http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image092.png; ③ http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image093.png;               ④ http://picflow.koolearn.com/upload/2013-03/18/d56df974-805b-4b56-ab43-71d01c0bafde/paper.files/image094.png. 其中为“敛1函数”的有

    A.①②

    B.③④

    C.②③④

    D.①②③

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  • 10函数 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image043.png的定义域为 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image058.png,若存在闭区间 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image059.png,使得函数 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image043.png满足:① http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image043.pnghttp://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image060.png内是单调函数;② http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image043.pnghttp://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image060.png上的值域为 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image061.png,则称区间 http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image060.pnghttp://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image062.png的“倍值区间”.下列函数中存在“倍值区间”的有 ① http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image063.png;           ② http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image064.png; ③ http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image065.png;       ④ http://picflow.koolearn.com/upload/2012-11/12/8b7ac0ee-69a5-49db-89fd-ba44518d5e3c/paper.files/image066.png

    A.①②③④

    B.①②④

    C.①③④

    D.①③

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