各地市高考数学最新联考试题分类大汇编函数与导数.pdf
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1、学习好资料欢迎下载山西省各地市 2012 年高考数学最新联考试题分类大汇编(3)函数与导数一、选择题:3(山西大学附中2012 年高三下学期三模理科)由曲线xxy22与直线0yx所围成的封闭图形的面积为()3265316112.(山西大学附中2012 年高三下学期三模理科)已知函数f(x)满足:定义域为R;对任意 xR,有 f(x 十 2)2f(x);当 x 1,1 时,f(x)x 1,则函数 y在区间 10,10 上零点的个数是(C)(A)17(B)12(C)11(D)10 16.(山西大学附 中 2012 年高三下学期三模理科)对于定义域为D的函数xf,若存在区间aDbaM,b,使得MMx
2、xfyy,,则称区间M为函数xf的“等值区间”.给出下列四个函数:;2xxf;3xxf;sin xxf.1log2xxf则存在“等值区间”的函数的序号是(B.)A.1 个B.2 个C.3 个D.4 个7(山西省太原市2012 年高三第三次模拟)设函数2()(),()(1,(1)f xg xxyg xg曲线在点处的切线方程为y=2x 十 1,则曲线y=()f x在点(1,f(1)处切线的斜率为A2B14C4 D122(山西省四校2012 届高三第三次联考理科)曲线lnyxx在点),(ee处的切线与直线1xay垂直,则实数a的值为A2 B.-2 C.12D.12精品资料-欢迎下载-欢迎下载 名师归
3、纳-第 1 页,共 5 页 -学习好资料欢迎下载【答案】A 7.(山西省四校2012 届高三第三次联考理科)定义在R上的函数xf满足0,210,8log2xxfxfxxxf,则3f的值为A.1 B.2 C.2D.311(山西省太原五中2012 届高三 4 月月考理科)若 R上的奇函数)(xfy的图象关于直线1x对称,且当10 x时,xxf2log)(,则方程)0(41)(fxf在区间)2012,2010(内的所有实数根之和为(B )A.4020 B.4022 C.4024 D.4026 二、填空题:16.(山西省四校2012 届高三第三次联考理科)函数|1|,1()1()1,12xa xf x
4、x若关于x的方程22()(23)()30fxaf xa有五个不同的实数解,则a的取值范围是_ _33(1,)(,2)22三、解答题:21(山西大学附中2012 年高三下学期三模理科)(本题满分12 分)设 函数()(,)bf xaxa bRx,若()f x 在 点(1,(1)f处的切线斜率为1()用a表示 b;()设()ln()g xxf x,若()1g x对定义域内的x恒成立,求实数a的取值范围;解:()2()bfxax,依题意有:2(1)11bfaabbax;2()1()ln()ln()1ag xxf xxaxx恒成立.()1g x恒成立即max()1g x.方法一:()1g x恒成立,则
5、(1)11 101gaaa.精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页,共 5 页 -文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文
6、档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF
7、6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U
8、10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 H
9、P7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9
10、I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 Z
11、S10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2学习好资料欢迎下载当1a时,221(1)(1)(1)(1)1()01,1a
12、 xxaxaxagxxxxxa110,xa2(0)0 x g,则(0,1)x,()0g x,()g x 单调递增,当(1,)x,()0g x,()g x单调递减,则max()(1)121g xga,符合题意;即()1g x恒成立,实数a的取值范围为1a;6(11(1)ln(1)10gaa矛盾;)若1a,110a,(0,1)x,()0g x,()g x 单调递增;当(1,)x,()0gx,()g x单调递减,则max()(1)121g xga,符合题意;综上,得()1g x恒成立,实数a的取值范围为1a;6 21(山西省山大附中2012 届高三 4 月月考文科)(本小题满分12 分)已知函数32
13、()2f xxaxx.(aR).(1)当1a时,求函数)(xf的极值;(2)若对xR,有4()|3fxx成立,求实数a的取值范围精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页,共 5 页 -文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K
14、6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C
15、2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:
16、CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J
17、6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4 HP7V8P9I7V9 ZS10K6S4Y9C2文档编码:CF6T1J6U10J4
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