2022年惠州一中珠海一中东莞中学中山纪念中学深圳实验中学广州二中2012届高三数学第二次联考理 .pdf

20XX届六校 11 月联考试题理科数学一、选择题（本大题8 小题，每小题5 分，共 40 分）1已知集合,1|2RxxyyM，2|2xyxN，则NM（）A.),1 B.2,1 C.),2 D.2已知命题“012,2axxxR”是真命题，则实数a的取值范围是（）A)1,(B),1(C),1()1,(D（1，1）3如图，正方形ABCD的顶点2(0,)2A，2(,0)2B，顶点CD、位于第一象限，直线:(02)lxtt将正方形ABCD分成两部分，记位于直线l左侧阴影部分的面积为()f t，则函数sf t的图象大致是（）4已知120201,cos 15sin 15Mx dxN,则()A.MN B.MN C.MN D.以上都有可能5右图是函数sin()()yAxxR在区间5,66上的图象。为了得到这个函数的图象，只要将sin()yx xR的图象上所有的点（）A向左平移3个单位长度，再把所得各点的横坐标缩短到原来的12倍，纵坐标不变B向左平移3个单位长度，再把所得各点的横坐标伸长到原来的2 倍，纵坐标不变C向左平移6个单位长度，再把所得各点的横坐标缩短到原来的12倍，纵坐标不变D向左平移6个单位长度，再把所得各点的横坐标伸长到原来的2 倍，纵坐标不变6.若函数1(),(2)2f xxxx在xn处有最小值，则n()A D B C x y O l A B C D 3 题图5 题图A12 B.13 C.4 D.3 7设函数fx是定义在R上的奇函数，且当0 x时，fx单调递减，若数列na是等差数列，且30a，则12345fafafaf afa的值（）A.恒为正数B.恒为负数C.恒为 0 D.可正可负8.若函数21,xfxabc且fafcfb，则下列结论中，必成立的是()A0,0,0abc B0,0,0abcC22ac D222ac二、填空题（本大题6 小题，每小题5 分，共 30 分）9、若3cos5，且3,2，则tan；10已知,0,0 xyxy xy则xy的最小值是；11定义运算法则如下：1112322,lglgabababab；若1824125M1,225N，则 M N；12设()f x是周期为2 的奇函数，当01x时，()f x2(1)xx,则5()2f13.设曲线1()nyxn*N在点（1，1）处的切线与x轴的交点的横坐标为nx,则201212012220122011logloglogxxx的值为；14、如图放置的边长为1 的正方形PABC沿x轴滚动。设顶点,P x y的轨迹方程是()yf x，则()yfx在其两个相邻零点间的图像与x轴所围区域的面积为。三、解答题（本大题6 小题，共80 分）15（本小题满分14 分 已知函数).4cos()4sin(22sin3)(xxxxf（I）化简)(,)(xfxf并求的表达式的最小正周期；（II）当0,()2xfx时 求函数的值域。C B P A 14 题图文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T8文档编码:CE2D10U9C8B3 HJ2Q8T10Q2B1 ZH7Q4H6R7T816（本大题12 分）已知二次函数2(21)12fxxaxa（1）判断命题：“对于任意的aR（R为实数集），方程1)(xf必有实数根”的真假，并写出判断过程（2），若()yf x在区间)0,1(及)21,0(内各有一个零点求实数a 的范围17、（本小题满分12 分）如果直线12:220,:840lxylxy与x轴正半轴，y轴正半轴围成的四边形封闭区域（含边界）中的点，使函数0,0zabxy ab的最大值为 8，求ab的最小值18.（本小题满分14 分）等比数列na中，123,a aa分别是下表第一、二、三行中的某一个数，且123,a a a中的任何两个数不在下表的同一列.第一列第二列第三列第一行3 2 10 第二行6 4 14 第三行9 8 18（）求数列na的通项公式；（）若数列nb满足131(2)log()2nnban，记数列nb的前 n 项和为nS，证明34nS17 题图文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U1019、（本小题满分14 分）如图，已知曲线31:(0)Cyxx与曲线32:23(0)Cyxx x交于点,O A.直线(01)xtt与曲线12,C C分别相交于点,B D.（）写出四边形ABOD的面积S与t的函数关系Sf t；（）讨论f t的单调性，并求ft的最大值.20（本小题满分14 分）给定函数2()2(1)xf xx（1）试求函数fx的单调减区间；（2）已知各项均为负的数列na满足，14()1nnSfa求证：1111lnnnnana；（3）设1nnba，nT为数列nb的前n项和，求证：201220111ln 2012TT。六校 11 月联考试题理科数学参考答案一、选择题（本大题8 小题，每小题5 分，共 40 分）19 题图文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U101已知集合,1|2RxxyyM，2|2xyxN，则NM（B ）A.),1 B.2,1 C.),2 D.2已知命题“012,2axxxR”是真命题，则实数a的取值范围是（C ）A)1,(B),1(C),1()1,(D（1，1）3如图，正方形ABCD的顶点2(0,)2A，2(,0)2B，顶点CD、位于第一象限，直线:(02)lxtt将正方形ABCD分成两部分，记位于直线l左侧阴影部分的面积为()f t，则函数sf t的图象大致是（C ）4已知120201,cos 15sin 15Mx dxN,则(B )A.MN B.MN C.MN D.以上都有可能5右图是函数sin()()yAxxR在区间5,66上的图象。为了得到这个函数的图象，只要将sin()yx xR的图象上所有的点（A ）A向左平移3个单位长度，再把所得各点的横坐标缩短到原来的12倍，纵坐标不变B向左平移3个单位长度，再把所得各点的横坐标伸长到原来的2 倍，纵坐标不变C向左平移6个单位长度，再把所得各点的横坐标缩短到原来的12倍，纵坐标不变D向左平移6个单位长度，再把所得各点的横坐标伸长到原来的2 倍，纵坐标不变6.若函数1(),(2)2f xxxx在xn处有最小值，则n(D )A12 B.13 C.4 D.3 7设函数fx是定义在R上的奇函数，且当0 x时，fx单调递减，若数列na是等差数列，且30a，则12345fafaf afaf a的值（A ）A D B C x y O l 5 题图A B C D 3 题图文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10A.恒为正数B.恒为负数C.恒为 0 D.可正可负8.已知函数21,xfxabc且f af cf b，则下列结论中，必成立的是(D)A0,0,0abc B0,0,0abcC22ac D222ac二、填空题（本大题6 小题，每小题5 分，共 30 分）9、若3cos5，且3,2，则tan43 .10已知,0,0 xyxy xy则xy的最小值是 4 。11定义运算法则如下：1112322,lglgabababab；若1824125M1,225N，则 M N 5 12设()f x是周期为2 的奇函数，当01x时，()f x2(1)xx,则5()2f1213.设曲线1()nyxn*N在点（1，1）处的切线与x轴的交点的横坐标为nx,则201212012220122011logloglogxxx的值为1 14、如图放置的边长为1 的正方形PABC沿x轴滚动。设顶点,P x y的轨迹方程是()yf x，则()yfx在其两个相邻零点间的图像与x轴所围区域的面积为1。三、解答题（本大题6 小题，共80 分）15（本小题满分14 分 已知函数).4cos()4sin(22sin3)(xxxxf（I）化简)(,)(xfxf并求的表达式的最小正周期；（II）当0,()2xfx时 求函数的值域。解：（I）)22sin(2sin3)(xxxf3 分xx2cos2sin34 分).62sin(2x6 分故.)(的最小正周期为xf 8 分C B P A 14 题图文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10（II）当,67,662,2,0 xx时10 分故,1,21)62sin(x 12 分故函数)(xf的值域为 1，2。14 分16（本大题12 分）已知二次函数2(21)12fxxaxa（1）判断命题：“对于任意的aR（R为实数集），方程1)(xf必有实数根”的真假，并写出判断过程（2）若()yf x在区间)0,1(及)21,0(内各有一个零点求实数a 的范围解：（1）“对于任意的aR（R 为实数集），方程1)(xf必有实数根”是真命题；（3分）依题意：1)(xf有实根，即2(2a 1)2a=0 xx有实根22(21)8(21)0aaa对于任意的aR（R为实数集）恒成立即2(2a 1)2a=0 xx必有实根，从而1)(xf必有实根（6 分）（2）依题意：要使()yfx在区间)0,1(及)21,0(内各有一个零点只须(1)0(0)01()02fff（9 分）即340120304aaa（10 分）解得：43a21（多带一个等号扣1 分）（12分）17、（本小题满分12 分）如果直线12:220,:840lxylxy与x轴正半轴，y轴正半轴围成的四边形封闭区域（含边界）中的点，使函数0,0zabxy ab的最大值为8，求ab的最小值17 题图文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5L9H8 HU4K10H10I8R7 ZH1Z1X8Z8U10文档编码:CG8J4L5