名校
解题方法
1 . 已知平面向量,
.若
,则
( )
A.![]() | B.![]() | C.1 | D.![]() |
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2 . 已知命题
,都有
.则命题
的否定为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053be1852c6e4c16aba9d06912f31960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef2cbff7d75f1a47d3710f5ebb3d39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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3 . 已知幂函数
,若函数
的图象过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d6c2220571b5a61e555422ddfd9dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef4731aa8aa8365579c41523c11fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
A.0 | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 下列说法正确的有( )
A.函数![]() |
B.![]() |
C.函数![]() ![]() ![]() |
D.若![]() ![]() |
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解题方法
5 . 已知
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e17de8e8424469429ec7fc0ca8db8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
的定义域为
,对于任意实数
满足
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1638740ba651b56d0c833fe93d9995e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241553167658572549705dda8cd7c207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f5fda7fa966b2403ef20cb71d485e4.png)
A.1011 | B.2022 | C.3033 | D.4044 |
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7 . 已知不等式
的解集为
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb18618b100f1c404690899e8b2f6d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f896211a4b21a5fee93200ed27efa900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb22c34ca54999693b4601a0ad011244.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 若集合
,且
,则实数
的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1709911b7b0cccc7f8d70680249155cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.0 | D.2 |
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解题方法
9 . 已知
为钝角,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd2e7cab3578fcfd966ec96605f57c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde26ead1631668f2c95877ebcfa0579.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9c718aaf4cf284b5750b751cf2196f.png)
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解题方法
10 . 设
且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7d7506b021e03cc317af97ce1b860f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e067be545a0178382625422a2e67621d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4983fe3334ccea18148120f8af685f7.png)
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