选修4-5:不等式选讲
已知
.
(Ⅰ)求不等式
的解集;
(Ⅱ)若函数
的最大值为
,且
,
,
,
,求证:
.
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab690aafd5c0cc323ec379d22dc585ac.png)
(Ⅰ)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92915438c309af34ffaf9d4beb98e60c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025626310f5e5690c28e29808d7afeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c013a70b79d66a0c77d4889d93b78f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd5934e2f7333a533ef723a9cb188cc.png)
2018高三·全国·专题练习 查看更多[1]
(已下线)2018年高考文科数学原创押题预测卷01(新课标Ⅲ卷)-文科数学
更新时间:2018-04-25 23:19:55
|
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解答题-证明题
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适中
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解题方法
【推荐1】已知函数
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(1)求实数
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(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】函数
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(2)若不等式
对任意
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06718efcdbc6f68e4f4b0e13215c7459.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7929619f0129204c0c633918818f12.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4f9867e53cb0fb0e3562bfc15b31ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
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【推荐3】已知函数f(x)=|2x+4|﹣|2x﹣2|.
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(1)求不等式|f(x)|<4的解集;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c1960b2e12078372a4a2ab1b313088.png)
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【推荐1】若
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(2)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e006ef99c62e6c3784c5059c92aeba.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e974efdd9cf524a4c4b3c85e0328921.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2108c82f49e2e6df8f7cb60147172bc1.png)
(3)
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解答题-证明题
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适中
(0.65)
名校
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【推荐2】已知
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(2)若
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