名校
1 . 已知常数
,函数
.
(1)若
,解不等式
;
(2)若关于
的不等式
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef27cf798da111b411326e9d9ea1d47.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 已知函数
是定义
在上的偶函数,且当
时,
.
(1)求函数
在
上的解析式;
(2)若关于
的方程
有四个不同的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66062dbd4978a7bb2fb9b9aabb898af.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6ffa6fe2387ee19234c2ad0fcb92ea.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31bc0c34811edba74dae3fcaed8f577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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3 . 已知函数
,
.
(1) 当
时,求
;
(2) 当
时,求
的解析式;
(3) 求方程
的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bb00384764afb0733eb8e191f00814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc64ef35f71f4a7063ad4276ec8175ed.png)
(1) 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a31f7a8c150b3f4e720db0401fd5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2) 当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3) 求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683054c02a497d7e99f5936b37710cb6.png)
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4 . 设函数
, 在用二分法求方程
在
内的近似解过程中得
,则方程的解所在的区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e36cbed3a7bf8f7c8b1170c8f78482e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4029d6259b6aeb85e21c36665f6ee3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcce4d5e8b69e94098735c5151cfd5ac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知函数
.
(1)判断
的奇偶性,并加以证明;
(2)求方程
的实数解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbd9e52b79fb84c320dc522e13d4f0b.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad56942439368d413f74e0ab7d9fb23c.png)
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6 . 已知函数
,试解答下列问题:
(1)求
的值;
(2)求方程
=
的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ca6b6220f0e9da968251b339a80e11.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f460ea92e5fcfd0d0818ba76ebabca7.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78406ecea4daed4a1f9deae760701de.png)
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2020-09-03更新
|
286次组卷
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6卷引用:广西兴安县第三中学2018-2019学年高一上学期期中考试数学试题
名校
7 . 已知
,
.
(1)当
时,求方程
的解集;
(2)若方程
有且只有一个实数解,求实数
的值并解该方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066de23e878507b5bc8c2c15c82f5e0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b1b873a6d3fceb57cfbc18b2c9d406.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-11-08更新
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2卷引用:上海市金山中学2019-2020学年高二上学期9月月考数学试题
名校
8 . 已知
.
(1)求
的解析式;
(2)解关于x的方程
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dd404aee18accd1f1272f964e75cda.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cea86f3cd91dd31569a36803cb8497.png)
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3卷引用:湖北省黄冈市浠水县实验高级中学2019-2020学年高三上学期8月月考数学(理)试题
9 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56be399ebc2029bfb8445c08ed1553b.png)
(1)解关于
的方程
;
(2)令
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56be399ebc2029bfb8445c08ed1553b.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644aac2e8ecfbe8d1c0cc263e3e6e577.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b73335836a03a0a2bb33bdb196e0ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4ebe455e529e11231da95e5a1c3e7e.png)
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2019-11-08更新
|
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5卷引用:四川省成都市外国语学校2019-2020学年高一上学期期中数学试题
名校
10 . 如图所示,定义域为
上的函数
是由一条射线及抛物线的一部分组成.利用该图提供的信息解决下面几个问题.
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817285750546432/1818552665243648/STEM/428dc25527904650b6033acf7b9b588a.png?resizew=166)
(1)求
的解析式;
(2)若
关于的方程
有三个不同解,求
的取值范围;
(3)若
,求
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f545a87bd651b061768225748b78c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2017/11/14/1817285750546432/1818552665243648/STEM/428dc25527904650b6033acf7b9b588a.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c342d52fc26cc550a45b80756903bee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebeb4e3c8892c25f349a368b05b992d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2017-11-16更新
|
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6卷引用:河南省洛阳市2017-2018学年高一上学期期中考试数学试题