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1 . 命题p:实数x满足
其中
,命题q:实数满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e861761f1707df88a1db6756434b0c.png)
(1)若
,且p、q有且只有一个为真,求实数x的取值范围;
(2)若p的否定是q的否定的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8925397d7743804d94d521e5093e82b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b6d2853ae57f4d2c3b5a0ac6fd4a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e861761f1707df88a1db6756434b0c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若p的否定是q的否定的充分不必要条件,求实数a的取值范围.
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解题方法
2 . 已知函数
.
(1)判断
在
上的单调性,并用定义加以证明;
(2)设函数
,若
,
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfee2c4efc91317d8e0ade4c839d863.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5438ef0cb6c82d3822271b123b0a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f7c7436a45148bbb09229b6a1d7b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ee00465e657f1e774ca7750158f4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
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3 . 小张同学在求解“若
,求
的最小值”这道题时,他的解答过程如下:
(第一步)因为
,所以a,b同号,所以
均为正数,
(第二步)所以
,
,
(第三步)所以
,故
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453ea8f3a2b85526b54bf453871c3820.png)
请你指出他在解答过程中存在的问题,并作出相应的修改.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa27df5b720c8e906fd46e09db49c0ac.png)
(第一步)因为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5ee8f0cb4d537623e9c820e217bfee.png)
(第二步)所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff060456e25abaf488860b4b88b0207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1067689bdb84144a5dd13c75f4e0bbf5.png)
(第三步)所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a37a54e0eca3d2ce7198edd5f553bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa27df5b720c8e906fd46e09db49c0ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453ea8f3a2b85526b54bf453871c3820.png)
请你指出他在解答过程中存在的问题,并作出相应的修改.
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解题方法
4 . 已知
是定义在
上的偶函数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/c0c65b57-7145-4a39-a7dd-f6f832964905.png?resizew=228)
(1)将所给的图补充完整;
(2)当
时,讨论
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a4b68d7be63ec223f642976a1087ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/c0c65b57-7145-4a39-a7dd-f6f832964905.png?resizew=228)
(1)将所给的图补充完整;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deaf0e32fd982f49886eb7faaa25b48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491d0b97d8e58351d7b1fb1eb7cc2feb.png)
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解题方法
5 . 已知集合
,
.
(1)若
,求
,
;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e50f8e865ad327442d59ecc7ee69fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2397ff6a5b3b85d29a80e338fa37221b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d3469fb79917724365db2b2829d512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 设函数
的定义域为D,若存在正实数a,使得对于任意
,总有
,且
,则称
是D上的“a距增函数”.
(1)判断函数
是否为
上的“1距增函数”,并说明理由;
(2)判断函数
是否为R上的“8距增函数”,并说明理由;
(3)已知
是定义在R上的奇函数,且当
时,
.若
为R上的“2021距增函数”,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c014d6dd9b1ba0c145f08767a6f522b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7a54ead79841d64b18c5ea1a09ae4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc1d4dfe9b98c934cb60526c8e36074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0158d261b91b2dcb337247bb99f5efb3.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1343dc0971e1525baadd631913150a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
7 . 已知函数
且
.
(1)求
的定义域;
(2)若对任意
,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34112012ae7d12cd36db45b9cb16a9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea277292bd64c6dbd4a4d90aea3365fa.png)
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8 . 已知函数
且
,且
.
(1)求a的值,并判断
的奇偶性;
(2)若函数
在
上的最大值为
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d56d198c577a7385db6f5a3844451ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c80755f525d04bdb2b2b416f21fe9.png)
(1)求a的值,并判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53889617eaae0376feb52f00451c1580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5991e9ec7666f533a528a4173c58f0ff.png)
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9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dfe22d8d3f8b7fbffab7e5cbec7f7a.png)
(1)若
,求
在
上的单调区间;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dfe22d8d3f8b7fbffab7e5cbec7f7a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbce5367a7f4e87e378de0131e3d3df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
10 . 已知幂函数
的图象关于原点对称.
(1)求
的值;
(2)设函数
是定义在
上的减函数,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42934337eaec0dd8ef3c12aa3af8c274.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20ab1ee03cd531a586c51cea0d55d8d.png)
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