黑龙江省安达市田家炳高级中学2018_2019学年高一数学上学期期中试题(无答案).doc

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1、 1 -黑龙江省安达市田家炳高级中学 2018-2019 学年高一数学上学期期中试题(无答案)一、选择题(本大题共 12 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已知集合 A x|x22 x0, B0,1,2,则 A B( )A0 B0,1C0,2 D0,1,22已知集合 M0,1,2,3,4, N1,3,5, P M N,则 P 的子集共有( )A2 个 B4 个C6 个 D8 个3.函数 y 的定义域为( )21 1 xA(,1) B(,0)(0,1C(,0)(0,1) D1,)4.函数 f(x) (xR)的值域是( )11 x2A0,1

2、B0,1)C(0,1 D(0,1)5.已知 f(2x)2 x3,则 f(x)等于( )A x B x332C. 3 D2 x3x26设函数 f(x)Error!则 f(f(3)( )A. B315C. D.23 1397若函数 f(x)的定义域是0,2,则函数 g(x) 的定义域是( )f 2xx 1A0,2 B(1,2C0,1) D以上都不对8函数 f(x)4 x2 mx5 在区间2,)上是增函数,则有( )A f(1)25 B f(1)25- 2 -C f(1)25 D f(1)259函数 y 的单调减区间是( )x2 2x 3A(,3 B1,)C(,1) D1,)10函数 f(x) x2

3、3 x2 在区间(5,5)上的最大值、最小值分别为( )A42,12 B42,14C12, D无最大值,14 1411已知 f(x)是奇函数且对任意正实数 x1, x2(x1 x2),恒有 0,则f x1 f x2x1 x2一定正确的是( )A f(3)f(5) B f(5) f(3)C f(5) f(3) D f(3) f(5)12若 f(x)为 R 上的奇函数,给出下列四个说法: f(x) f( x)0; f(x) f( x)2 f(x); f(x)f( x)0 则 x 的取值范围是_16.若直线 y1 与曲线 y x2| x| a 有四个交点,则 a 的取值范围是_三、解答题(本大题共 6 小题,共 70 分)17.(10 分)已知集合 A x|3 x0 的 a 的集合21.(12 分)已知函数对任意的实数 a, b,都有 f(ab) f(a) f(b)成立(1)求 f(0), f(1)的值;(2)求证: f( ) f(x)0( x0);1x(3)若 f(2) m, f(3) n(m, n 均为常数),求 f(36)的值22.(12 分)已知函数 f(x) x22 x2.(1)求 f(x)在区间 ,3上的最大值和最小值;12(2)若 g(x) f(x) mx 在2, 4上单调函数,求 m 的取值范围

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