关于
的不符式
;
(1)若
,求不等式的解集.
(2)若
时,不等式
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c75e3402db21bb06d9ef4938c166d5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a985b13543f119e719dfe90d1113ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2bd4d15b900f9ce917264c30af1810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
23-24高一上·辽宁丹东·阶段练习 查看更多[2]
更新时间:2023-10-13 21:33:14
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相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】不等式
的解集为
,关于
的不等式
的解集为
.
(1)求集合
、集合
;
(2)若集合
中有
个元素,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4eed3415f9a0607cc2a9dc52960f76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2afd831f9f6f9e0d67257b277bcaa93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1360adc4a3ff63c376cf39a8f424f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f95463e4696bcb6ed28581bad689d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知
,其中a是常数.
(1)若
的解集是
,求a的值,并求不等式
的解集;
(2)若不等式
有解,且解区间的长度不超过5个单位长度,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9529ac0c7d85536cb05f5e3f5785d5aa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12578136c1a749876bb47e6f1d69988e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
的定义域是
,且
,
,当
时,
.
(1)判断
的奇偶性,并说明理由;
(2)求
在区间
上的解析式;
(3)是否存在整数
,使得当
时,不等式
有解?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37eda1b711440ecea319dcd10df5a604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef524539aea55bfab1b6f4963a3cb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a8ab10c67ed0cc0c5caa99c799eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc4e3775c850f1c1804f9eb7a70153a.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3930e3a18900053d4d98a8acfc948ac6.png)
(3)是否存在整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9f870348da21a6f002c9468071cd76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e92e523294ff8e8f861f22622340ff.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】设关于x的不等式
的解集为A,集合
,
(1)若对任意的
,都有
,求实数a的取值范围;
(2)若对任意
,存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dbaa4ca5aabf695818228062c67ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba93176cea512b5313e9efd35712dd7e.png)
(1)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec80634a6e2b2c85f845fa368b3a5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949c0be52082aed7e1fecd109f92aebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa74392f0b465ff0c4aee08f0ef8637b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1023aeb1106b91c74f24b3a7743b21.png)
(1)求
的值;
(2)若方程
有4个实数根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1023aeb1106b91c74f24b3a7743b21.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bba69477dd322a35208555fde1f6cba.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db952859734e29029443657e387b387.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】已知
,若关于x的不等式
的解集是
.
(1)求a的值;
(2)若关于x的不等式
在
上恒成立,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9a91332440ae5eb3495cbc4cbd64b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138506a762e636aa75a4d54f5b739b89.png)
(1)求a的值;
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c93a5df4808c014f0b4aeffefb3d05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
您最近一年使用:0次