1 . 已知函数
.(图中的每个方格是边长1个单位的正方形)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/41cfb566-fa5f-42dd-98de-aa033a42a130.png?resizew=218)
(1)画出函数
的图象;
(2)当
时,若不等式
的解集为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e7557f89eb2c438cdea7fa97eb6551.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/41cfb566-fa5f-42dd-98de-aa033a42a130.png?resizew=218)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e7557f89eb2c438cdea7fa97eb6551.png)
(1)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3cccca5e25a88445ddd8c1f653c0bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb7eaadcb7603c384d8a52bb9d4805b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-05-14更新
|
492次组卷
|
3卷引用:内蒙古乌兰察布2021届高三一模 数学(文科)试题
解题方法
2 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2021/3/23/2683900022964224/2683969849180160/STEM/19d61d7a18dd45f191d1ddf72bd6604d.png?resizew=265)
(1)画出
的图象;
(2)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f402ab3a52599bc8cea9d0b4cd360b.png)
![](https://img.xkw.com/dksih/QBM/2021/3/23/2683900022964224/2683969849180160/STEM/19d61d7a18dd45f191d1ddf72bd6604d.png?resizew=265)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18734b27eca5538ecba0d4d9b02249da.png)
您最近一年使用:0次
解题方法
3 . 已知函数
的最小值为
.
(1)求实数
的值;
(2)若
,设
且满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8155134413c6104a94ed047e934eeeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a1007082d08803d3cb9de108039401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c3f311c21d1f216d19f0d50b37e858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27877a392b2c66f618e809674a0fa2db.png)
您最近一年使用:0次
2019-04-03更新
|
364次组卷
|
5卷引用:内蒙古赤峰市松山区2020-2021学年高三第一次统一模拟考试文科数学试题
13-14高三上·辽宁铁岭·期中
解题方法
4 . 已知
(a是常数,a∈R)
(1)当a=1时求不等式
的解集;
(2)如果函数
恰有两个不同的零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25751d09eff76265629af044d56e6f7.png)
(1)当a=1时求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)如果函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
您最近一年使用:0次