已知函数
,不等式
的解集为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f86fae82191738f96f0a5b2b6f1d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3432701dcc6000f25c5ea3a7937f2e7e.png)
(1)求不等式的解集;
(2)当在
上具有单调性,求
的取值范围.
更新时间:2018-11-06 14:40:32
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【推荐2】已知函数g(x)=ax2﹣2ax+1+b(a>0)在区间[0,3]上有最大值4和最小值1.设f(x)=
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(1)求a、b的值;
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![](https://img.xkw.com/dksih/QBM/2016/3/16/1572540707856384/1572540713951232/STEM/6fcb2156c396493b9fbf2e3a4580dbb2.png)
(1)求a、b的值;
(2)若不等式f(2x)﹣k•2x≥0在x∈[﹣1,1]上有解,求实数k的取值范围.
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【推荐1】已知函数
(a,
).
(1)
的解集为
或
,求实数a,b的值;
(2)
时,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a0c1d7dc8eb9ba9c80babef4068691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d165b3397aab477869842a16b7ff6aa.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b646876d031cb9f139defa2bb2d6eeba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0ed049a7c2651fca0ce6a2e7feabd2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d00e896ece0bec6845cdf25235bcbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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【推荐2】已知关于
的不等式
;
.
(1)若
,求不等式的解集;
(2)若关于
的不等式解集为
或
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f638f5e287d9e04da237093cc4cca893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6226595194ca3fe517a70bb77cf4e41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ee08cc9d1ff8428d5665f249bdcbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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