已知函数
.
(1)当
时,求
的解集;
(2)若对任意的
,恒有
,求实数a的取值范围;
(3)当
时,求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa141febdd4b19eb971e9eda765f324.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65641ad632090178c3e3d3ba78597ecf.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d6e81ff62a52037bc6d9bde7cd5cc.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
更新时间:2021-11-19 08:10:14
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【推荐1】1.已知实数p:
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【推荐2】求下列关于x的一元二次不等式的解集:
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【推荐1】已知函数
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【推荐2】已知不等式
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(1)当m=3时,求不等式解集;
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【推荐2】(1)求不等式的解集:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3b76cedebe03e7ba487b2989e91440.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626733af6b6dc3e03d5f45c90768269e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3b76cedebe03e7ba487b2989e91440.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626733af6b6dc3e03d5f45c90768269e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa254eb7a7eed6554ee0067e989f8e3.png)
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【推荐3】已知全集
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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