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(完整word版)高中数学必修一第二章基本初等函数(Ⅰ)单元测试题(含答案),推荐文档.pdf

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1、第二章综合测试题本试卷分第卷(选择题)和第卷(非选择题)两部分满分 150 分考试时间120 分钟第卷(选择题共 60 分)一、选择题(本大题共12 个小题，每小题5 分，共 60 分，在每小题给出的四个选项中，只有一项是符合题目要求的)1 有下列各式：nana；若 aR，则(a2a1)01；3x4 y3x43y；35652.其中正确的个数是()A0B1 C2 D3 2三个数log215，20.1,20.2的大小关系是()Alog21520.120.2Blog21520.220.1C20.120.2log215D20.1log21520.23(2016 山东理，2)设集合 A y|y2x，x

2、R，B x|x210，则 A B()A(1,1)B(0,1)C(1，)D(0，)4已知 2x3y，则xy()A.lg2lg3B.lg3lg2Clg23Dlg325函数 f(x)xln|x|的图象大致是()6若函数f(x)3x3x与 g(x)3x3x的定义域均为R，则()Af(x)与 g(x)均为偶函数Bf(x)为奇函数，g(x)为偶函数Cf(x)与 g(x)均为奇函数Df(x)为偶函数，g(x)为奇函数7函数 y(m22m2)x1m-1是幂函数，则m()A1 B 3 C 3 或 1 D2 8下列各函数中，值域为(0，)的是()Ay2x2By12xCyx2x1 Dy 31x+19已知函数：y2x

3、；ylog2x；yx1；yx12；则下列函数图象(第一象限部分)从左到右依次与函数序号的对应顺序是()ABCD10设函数f(x)1 log22 xxa2x成立的 x 的集合(其中 a0，且 a1).21(本小题满分12 分)(2016 雅安高一检测)已知函数f(x)2x的定义域是 0,3，设 g(x)f(2x)f(x2)，文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z

4、4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1

5、HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D

6、9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8

7、 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4

8、L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3

9、文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:C

10、G4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3(1)求 g(x)的解析式及定义域；(2)求函数 g(x)的最大值和最小值22(本小题满分12 分)若函数 f(x)满足 f(logax)aa21(x1x)(其中 a0 且 a1).(1)求函数 f(x)的解析式，并判断其奇偶性和单调性；(2)当 x(，2)时，f(x)4 的值恒为负数，求a 的取值范围参考答案：1.答案 B 文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T

11、1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W

12、5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10

13、B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5

14、Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5

15、S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码

16、:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X1

17、0Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3解析 nan|a|，n为偶数，a，n为奇数(n1，且 nN*)，故不正确a2a1(a12)2340，所以(a2 a1)01 成立3x4y3无法化简350，故不相等因此选B.2.答案 A 解析 log2150,020.120.2，log21520.10 Bx|x210 x|1x0 x|

18、1x1，故选 C.4.答案 B 解析由 2x3y得 lg2xlg3y，xlg2ylg3，xylg3lg2.5.答案 A 解析由 f(x)xln|x|xln|x|f(x)知，函数f(x)是奇函数，故排除C，D，又 f(1e)1e0，a 1)，显然不过点M、P，若设对数函数为y logbx(b0，b1)，显然不过N 点，选 C.13.答案 4 解析 a1249(a0)，(a12)2(23)22，即 a(23)4，log23alog23(23)44.14.答案 19解析 14 0，f(14)log214 2.则 f(14)0，f(f(14)3219.15.答案(8，6 解析令 g(x)3x2

19、ax5，其对称轴为直线xa6，依题意，有a61，g 1 0，即a 6，a 8.a(8，6文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码

20、:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X1

21、0Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T

22、1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W

23、5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10

24、B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5

25、Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S316.答案(12，14)解析由图象可知，点A(xA,2)在函数 ylog22x

26、的图象上，所以 2log22xA，xA(22)212.点 B(xB,2)在函数 y x12的图象上，所以 2xB12，xB4.点 C(4，yC)在函数 y(22)x的图象上，所以 yC(22)414.又 xDxA12，yDyC14，所以点 D 的坐标为(12，14)17.解析原式10.5(31)13lg312lg31(34)0.5log3523(1lg3)lg332log3563log32562531.18.解析(1)由已知得(12)a 2，解得 a1.(2)由(1)知 f(x)(12)x，又 g(x)f(x)，则 4x2(12)x，即(14)x(12)x20，即(12)x2(12)x 2

27、0，令(12)x t，则 t2t2 0，即(t2)(t1)0，又 t0，故 t 2，即(12)x2，解得 x 1.19.解析(1)当 a2 时，f(x)log2(1 x)，在3,63 上为增函数，因此当x3 时，f(x)最小值为 2.当 x63 时 f(x)最大值为6.(2)f(x)g(x)0 即 f(x)g(x)当 a1 时，loga(1x)loga(1x)文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y

28、4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S

29、3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:

30、CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10

31、Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1

32、 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5

33、D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B

34、8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3满足1x1x1x01x0 0 x1 当 0a1 时，loga(1 x)loga(1 x)满足1x1x1x01x0 1x 0 综上 a1 时，解集为 x|0 x1 0a1 时解集为 x|1a2x.当 a1 时，函数y ax是增函数，8x22x，解得 2x4；当 0a1 时，函数yax是减函数，8x22x，解得 x4.故当 a1 时，x 的集合是 x|2x4；当 0a1 时，x的集合是 x|x4 21.解析

35、(1)f(x)2x，g(x)f(2x)f(x2)22x2x2.因为 f(x)的定义域是 0,3，所以 02x3,0 x 23，解得 0 x1.于是 g(x)的定义域为 x|0 x1(2)设 g(x)(2x)2 42x(2x2)24.x0,1，2x1,2，当 2x2，即 x1 时，g(x)取得最小值4；当 2x1，即 x0 时，g(x)取得最大值 3.22.解析(1)令 logax t(tR)，则 xat，f(t)aa21(atat)f(x)aa2 1(ax ax)(x R)f(x)aa21(axax)aa21(axax)f(x)，f(x)为奇函数当 a1 时，yax为增函数，y ax为增函数，

36、且a2a21 0，文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G

37、5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编

38、码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X

39、10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4

40、T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7

41、W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y1

42、0B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3f(x)为增函数当 0a1 时，yax为减函数，y ax为减函数，且a2a2 10，f(x)为增函数f(x)在 R 上为增函数(2)f(x)是 R 上

43、的增函数，yf(x)4也是 R 上的增函数由 x2，得 f(x)f(2)，要使 f(x)4 在(，2)上恒为负数，只需 f(2)40，即aa21(a2a2)4.aa21(a41a2)4，a214a，a24a10，23a23.又 a1，a 的取值范围为 23，1)(1,23文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6

44、G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档

45、编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4

46、X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y

47、4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF

48、7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y

49、10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3文档编码:CG4X10Z4Y4T1 HF7W5D9Y10B8 ZC5Y4L6G5S3

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