选修4-5:不等式选讲
已知函数
,若关于
的不等式
的整数解有且仅有一个值为-3.
(1)求整数
的值;
(2)若函数
的图象恒在函数
的上方,求实数
的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46b15d23e9e185f6229a613bdcd0c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff342346c990785862c6ee2bd7eceb12.png)
(1)求整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b4fdf963048c01d82d6ee7fa320767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2016-12-04 14:15:37
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相似题推荐
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知关于
的不等式
的解集为
.
(1)求
的最大值;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7141602cee62deda53af184fcbb2a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb882ba9efee652e4df1ba4efdba9dec.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)当
时,求
的解集;
(2)若区间
包含于不等式
的解集,求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efe38f7744ab2775a6408e3e75cbaca.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b624d88827e92e12bc0a8f1067cbe72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)若区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef492f01cb9a9c13be51ef54274bdc1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/3aa3a7f9-4fde-466e-b370-a9efb37c42d4.png?resizew=162)
Ⅰ
在给出的直角坐标系中画出函数
的图象;
Ⅱ
若关于x的不等式
的解集包含
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0fc664652f7aa4046f9b9970eca5b0d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/3aa3a7f9-4fde-466e-b370-a9efb37c42d4.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8798681a054d19a9622d74fbbbbb41a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3615f9b1489496f220de101a339f9b7.png)
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解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】设函数
.
(1)若
,求不等式
的解集;
(2)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a99a252a0914711d5f5658d01f41529.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2aa8032ff76bd8f64d824604aee8cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022b54fee1016ac571426a4d9df98d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次