解题方法
1 . 函数
的值域为
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765112320/STEM/c71294b9649e4cf4847d446c0b4d2b73.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 设
是全集,
是
的三个子集,则阴影部分所示的集合为
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765136896/STEM/acb3a37c021f4c9891f8bd58dd6469d0.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765136896/STEM/0c551f7049af4061812e3e336a04274e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765136896/STEM/36d4b97cca644325b9355ed4d77471ed.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765136896/STEM/0c551f7049af4061812e3e336a04274e.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765136896/STEM/acb3a37c021f4c9891f8bd58dd6469d0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 函数
的定义域是
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765022208/STEM/8f20d8f80a494bbaabb49421e8cc8e06.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 设集合
是小于5的素数
,则
的真子集的个数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3890b9957704b3c8a728c5611692f631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef605a7dce0a48fdec3728be12b882dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9415f14cc8e667fb589569a6295f4a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0676cdde8658ab5a4ee2350e082805f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9415f14cc8e667fb589569a6295f4a7a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
,且
.
(1)求
的值;
(2)判断函数
的奇偶性;
(3)判断
在
上的单调性并加以证明.
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/c102599672384ad9a5a51f9f4e09c821.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/f234fb44ec874f579318b54e56ff1c42.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/ac3f903331dc4e318024eea1b1ccdde8.png)
(2)判断函数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/4eefbf430d374939830e44ebfcd0be91.png)
(3)判断
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/4eefbf430d374939830e44ebfcd0be91.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765358080/STEM/a4bf534cf4da46c08c4678481b28288e.png)
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解题方法
7 . 函数
的函数值的取值范围是_______________ .
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765235200/STEM/d661896659c2435f97b11a3db458652f.png?resizew=213)
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8 . 已知函数
.
(1)求证:
在
上是单调递增函数(用定义证明);
(2)若
在
上的值域是
,求
的值.
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/4d5b41d3979642c194444f8dc3edca62.png)
(1)求证:
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/5a983584c8bb498c8ccb6d47e01cb6f7.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/38d5509ed8ac42ad95b13816cac82879.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/5a983584c8bb498c8ccb6d47e01cb6f7.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/11469d37d97c4d579ce41b0bbc108d90.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/11469d37d97c4d579ce41b0bbc108d90.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765308928/STEM/a5471f65258047afb7a1dbfeacb76dc0.png)
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解题方法
9 . 给出以下四个命题:
①若集合
,则
;
②若函数
的定义域为
,则函数
的定义域为
;
③函数
的单调递减区间是
;
④若
,且
.
其中正确的命题有___________________ (写出所有正确命题的序号).
①若集合
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/ccc89a8b5d2143bfb51760c47b1d53d2.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/7af7e53e44834d84ab0474acb6c07bc9.png?resizew=73)
②若函数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/088e7d8ef4fd4bd4b315a05d230de41b.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/12b589ed2aea4eee8d80b2e7b4b4fdf6.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/ec9e775a877747ebac766b164d145f78.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/e190dfd7c18b49d7989457f2d4199990.png?resizew=43)
③函数
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/3292abb302b047caaf7d8da2e968440b.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/70eaf645b58a4fe584b173f70b608fe1.png?resizew=108)
④若
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/62ec94ae6a704f96b20e9886dc4df632.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572424759541760/1572424765251584/STEM/00fbc5b4d386425fa1769e9898c7e323.png?resizew=353)
其中正确的命题有
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13-14高一下·江西·阶段练习
名校
10 . 已知数列
中,
,则数列
通项公式为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da9bdce8b2a1e1294bab9ca2a476299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2016-12-03更新
|
2273次组卷
|
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