广东省汕头市陈店实验学校2020-2021学年度第一学期高一数学周测8A(无答案)

发布时间:2022-11-16 06:30:25   来源:文档文库   
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陈店实验学校2020-2021学年度第一学期高一数学周测(8A时间:120分钟满分:150一、单选题:本题共8小题,每小题5分,共40.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.a1”是“关于x的方程有实根”的················A.充分不必要条件B.必要不充分条件C.既不充分也不必要条件D.充要条件2.若关于的不等式的解集是R,则实数k的取值范围为······A.4,0B.C.D.3.若正实数xy满足xy4,则xy的最小值为·····················A.5B.C.D.4.如果实数a满足0a1,则aa2a三者的大小关系为···········A.a2aaB.C.D.5.设函数f(x是定义在R上的偶函数,且在区间0,上单调递增,若f(120,则10不等式f(2x的解集为······································A.BCD,1434,6.已知关于x的不等式x24xm对任意的xR恒成立,则实数m的取值范围是····························································Am14BCD7.若函数f(xx22(a1x2,4上单调递减,实数的取值范围为(AB1
C8.函数D24xx性质的描述,正确的有··············x11.关于函数f(x的定义域为R,对任意的x1,且函数A的定义域为1,00,1B的值域为f(x1为偶函数,则·············································A.B.C.D.二、多选题:本题共4小题,每小题5分,共20.在每小题给出的选项中,有多项符合题目要求,全部选对的得5分,部分选对的得3分,有选错的得0.9.下列说法中,正确的有···································A.x22x0”是“”的必要不充分条件B”是“”的充要条件C.当时,”是方程有解的充要条件D.若q的充分不必要条件,则的必要不充分条件10.若函数的定义域为,值域为,则实数的取值可能是·························································A2BCDC的图像关于y轴对称D在定义域上为增函数12.已知定义域为R的函数f(x的图像是连续不断的,且满足以下条件:xR,f(xf(x;;f(10.下列说法正确的是····················································Af(3f(4B.若f(m1f(2,则m,3C.若,则x1,01,D三、填空题:本题共4小题,每小题5分,共20.13.若“”是“”的充分不必要条件,则实数a的最小值是.14.已知函数是奇函数,且,若,则.2

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