2014年高一数学必修1第一章测试题及参考答案.pdf

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1、精心整理2014 级高一数学第一章单元测试题（第 I 卷）一选择题(本大题共 10 小题，第小题 5 分，共 50 分在每小题给出的四个选项中，只有一项符是合题目要求的)1设集合1xQxA，则（）AAB2AC 2AD2A2已知集合 A到 B的映射 f：xy=2x+1，那么集合A中元素 2 在 B中对应的元素是：（）A、2B、6 C、5D、8 3设集合|12,|.AxxBx xa若,AB则a的范围是()A2aB1aC1aD2a4函数1)2(xky在实数集上是减函数，则k 的范围是（）A2kB2kC2kD2k5全集 U0,1,3,5,6,8,集合 A1，5,8,B=2,则U(C)AB（）AB0,3

2、,6C 2,1,5,8D0,2,3,6 6下列各组函数中，表示同一函数的是（）A0,xyxyxB1,112xyxxyC 2,yx yxD2)(|,|xyxy7下列函数是奇函数的是（）A21xyB322xyCxyD)1,1(,2xxy8若奇函数xf在3,1上为增函数，且有最小值0，则它在1,3上（）A.是减函数，有最小值0B.是增函数，有最小值0 C.是减函数，有最大值0D.是增函数，有最大值0 9设集合22xxM，20yyN，给出下列四个图形，其中能表示以集合M 为定义域，N 为值域的函数关系的是（）10、已知 f（x）=g（x）+2，且 g(x)为奇函数，若 f（2）=3，则 f（-2）=（

3、）A0 B-3 C1 D3（第 II卷）二填空题（本大题共5 小题，每小题 5 分，共 25 分）精心整理11.已知集合4|3AxNZx，则用列举法表示集合A=.12.已知25(1)()21(1)xxf xxx，则(1)ff.13.函数26yxx的减区间是.14设偶函数 f（x）的定义域为R，当0,)x时 f（x）是增函数，则(2),(),(3)fff的大小关系是15.定义在 R上的奇函数()fx,当0 x时,()2f x；则奇函数()f x的值域是三、解答题：（本大题共 6 小题，共 75 分题解答应写出文字说明，证明过程或演算步骤）16.（12 分）设,1,05,UUR Ax xBxxC

4、AB求和UAC B.17.（12 分）求下列函数的定义域（1）21)(xxxf（2）321)(xxxf18.（12 分）已知集合23,1,|20ABx xaxb，且 AB，求实数 a 与 b 的值.19（12 分）已知函数1)(xxxf，(1,4)x，求函数的最大值和最小值.（提示：先用定义判断函数的单调性，再求最值）20.（13 分）已知函数)(xf是奇函数，且当 x0 时，12)(2xxxf，求)(xf在 R上的表达式 21.(14 分)已知函数cxaxxf4)(2是奇函数，且5)1(f（1）求)(xf的解析式；（2）判断函数)(xf在2,0上的单调性，并加以证明（3）函数()f x在02

5、-，上是单调增函数还是单调减函数？(直接写出答案，不要求写证明过程)2014级高一第一章数学试题答案一选择题1B2C3 A4B5D6 A7C8 D9B10C 文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W

6、10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4

7、 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8

8、Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A1

9、0 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C

10、2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G

11、8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8文档编码:CR7C2W10O3K4 HL6M8Z9O8A10 ZP1C2I5S3G8精心整理二

12、填空题11.1,2,4,5,7A12.8 13.(,3.14.()f(3)f(2)f.15.-2,0,2三解答题16.解：因为|1 UC Ax x 3|05UC Bx xx或 6 所以|5UC ABx x 10|5UAC Bx x 12 17.解:（1）由题意得0201xx，即21xx，定义域为2,1|xxx且（2）由题意得0201xx，即21xx，定义域为2,1|xxx且18解：由题意知-3,1 是方程220 xaxb的根，则0210)3(2)3(22baba，解得31ba所以3,1 ba文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F

13、3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9

14、F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ

15、9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:C

16、Z9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:

17、CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码

18、:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编

19、码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2精心整理19.解：任取12,1,4x x，且12xx，4121xx120 xx，12110 xx，所以，120fxfx,即12fxfx,所以函数 fx 在 1,4 上是增函数,

20、函数的最大值为54144)4(f,最小值为21111)1(f.20.解：当时，由0 x)(xf是奇函数得0)0(f当0,0 xx则时，所以121)(2)()(22xxxxxf又)(xf是奇函数，所以)()(xfxf，所以12)(2xxxf（0 x）所以，0,120,00,12)(22xxxxxxxxf21解：（1）由5145)1(caf得，得514ca，由得xxxfca4)(.0,12故(2)xxxxxf44)(2任取12,0,2x x，且12xx，则1212121212444()()()1f xf xxxxxxxx x.121212()(4)xxx xx x文档编码:CZ9F3J1M4P2

21、HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2

22、 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P

23、2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4

24、P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M

25、4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1

26、M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J

27、1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2精心整理2021xx，,04,4,0212121xxxxxx120 xx2121,0 xfxfxfxf即因

28、此函数()f x在2,0上是减函数（3）由（2）及在是奇函数可知)()(xfxf上在02-，上是减函数。文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR

29、7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 Z

30、R7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3

31、ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3

32、 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C

33、3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4

34、C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2文档编码:CZ9F3J1M4P2 HP10C5H10K4C3 ZR7A3N9E10U2