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解题方法
1 . (1)解方程:
;
(2)解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4201c089e37bc143b9310adf617fe206.png)
(2)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/205a06252ab0f41b4bc2ae7c1cdad974.png)
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2 . 下列说法正确的是( )
A.函数![]() ![]() |
B.函数![]() |
C.函数![]() ![]() |
D.幂函数图象必过原点 |
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2022-12-28更新
|
860次组卷
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4卷引用:四川省达州市宣汉县宣汉中学2022-2023学年高一上学期12月月考数学试题
解题方法
3 . 已知
,则
的大小关系是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4423362e0badb24636539245572bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
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4 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aadc8179a3b6fb8f778271c1f33ea29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b643643a80521467abd0dc423418ac78.png)
A.2 | B.1 | C.![]() | D.0 |
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5 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f771ac57a25e0f3349fe71867a5d4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112ff2aeecb8f95428995eef04e6d99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-19更新
|
702次组卷
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3卷引用:四川省广安市第二中学校2022-2023学年高三上学期一诊模拟考试数学(文)试题
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解题方法
6 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce5e09b16162efdaba37d98afaaaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b84cce9ace83b6536008f589efb18ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-18更新
|
813次组卷
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4卷引用:四川省泸州市泸县第五中学2022-2023学年高一上学期期末数学试题
7 . 设
,求证:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60960b8276424dbfd141e54d31985fb7.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f27acb7182f57c29efcc7682a95493.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32f79b582c04773cf3de82549464cf5.png)
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2022-12-18更新
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112次组卷
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2卷引用:四川省泸定中学2022-2023学年高一上学期第三次质量检测数学试题
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8 . 对于
,且
,下列说法中,正确的是( )
①若
,则
; ② 若
,则
;
③ 若
,则
; ④若
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e4ab6b3b5ec33319510bcf68e3379b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e4ab6b3b5ec33319510bcf68e3379b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
③ 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571651f21cdf89a74497ade256a35125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571651f21cdf89a74497ade256a35125.png)
A.①③ | B.②④ | C.② | D.①②④ |
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9 . 函数
与
的图像如图所示,则实数a的值可能为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/e15ad382-da35-4f4e-89e8-a03e4ffa2144.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3f86cd7afe812f3d8e131bee1e315.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/e15ad382-da35-4f4e-89e8-a03e4ffa2144.png?resizew=173)
A.![]() | B.![]() | C.![]() | D.3 |
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2022-12-17更新
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243次组卷
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2卷引用:四川省广安第二中学校2022-2023学年高一上学期第二次月考数学试题
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10 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1bda3da3ff4111eae2dcc510d13f71.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/660f11bfe2dc69d693daee8f10a93bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1bda3da3ff4111eae2dcc510d13f71.png)
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2022-12-16更新
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353次组卷
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3卷引用:四川省泸州市泸县第五中学2022-2023学年高一上学期期末数学试题