1 . 若
,且
,则
的最大值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81101a2c80def81702d2b1e7f76dd280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503a6330a44bc6a915d3b02c2a396d6.png)
A.2 | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知函数
.
(1)解不等式
;
(2)若存在实数x,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1036b0a5e7e02bca1a93e2cb6652602e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若存在实数x,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244010f1c32834236d6f8773219ee801.png)
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2016-12-04更新
|
381次组卷
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16卷引用:2015-2016学年河北省定州中学高二6月月考数学试卷
2015-2016学年河北省定州中学高二6月月考数学试卷2015-2016学年山西省怀仁一中高二下期末理科数学试卷2015-2016学年山西省怀仁一中高二下期末文科数学试卷2016-2017学年广东省揭阳市第一中学高二下学期第一次阶段考试数学(文)试卷山西省康杰中学2016-2017学年高二下学期期末考试数学(理)试题河南省林州市第一中学2016-2017学年高二4月调研考试数学(文)试题2016届辽宁省抚顺市一中高三10月月考理科数学试卷2016届辽宁省抚顺市一中高三10月月考文科数学试卷2016届海南省海南中学高三考前模拟十二理科数学试卷2016届海南省海南中学高三考前模拟十二文科数学试卷2017届广东海珠区高三上学期调研测试一数学理试卷2017届广东海珠区高三上学期调研测试一数学文试卷重庆市巴蜀中学2017届高三第二次诊断考试模拟数学(文)试题湖南省长沙市长郡中学2018届高三第四次月考数学(文)试题【市级联考】甘肃省酒泉地区普通高中五校联考2019届高三上学期月考数学试题(已下线)专题11-2 不等式选讲归类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
3 . 已知
,下列各式成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bc0d8a5d0b82e7b55346d82f1b97f1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-04更新
|
410次组卷
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2卷引用:2015-2016学年河北省邢台一中高二下第一次月考理数学卷
名校
4 . 已知函数
,且关于
的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9e93adab0cecc867a5d2edae5fdfcd.png)
的解集为
.
(1)求实数
的取值范围;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbd5a99b8b0db30474ef8981f5e037d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9e93adab0cecc867a5d2edae5fdfcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f7f094e09ee6c70253de52e17816c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d73bcd16ffeafb65325d50dd24c04f.png)
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3卷引用:河北省临漳县第一中学2017-2018学年高二下学期第三次月考数学(理)试题
5 . 已知命题
若非
是
的充分不必要条件,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/11/6/1572280958197760/1572280963645440/STEM/0b8b75a192bb4058a176f9b5633d33b9.png)
![](https://img.xkw.com/dksih/QBM/2015/11/6/1572280958197760/1572280963645440/STEM/aad2c6eb4b594c8a965287d13fa1e09d.png)
![](https://img.xkw.com/dksih/QBM/2015/11/6/1572280958197760/1572280963645440/STEM/5100a47a6b9c4f3e8777c09d16a9317a.png)
![](https://img.xkw.com/dksih/QBM/2015/11/6/1572280958197760/1572280963645440/STEM/326177982bc64e5cb33457c64d4ec1bb.png)
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13-14高三上·河北衡水·阶段练习
6 . 已知函数![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728109568/STEM/1efaac06aba44206bc4edf6aa5391d58.png)
(Ⅰ)解不等式
;
(Ⅱ)若
.求证:
.
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728109568/STEM/1efaac06aba44206bc4edf6aa5391d58.png)
(Ⅰ)解不等式
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728109568/STEM/cabe52dd1492478eba7126d06865aa6e.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728109568/STEM/5030b6b2bdf6438c9e7fe1d05432b7fd.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728109568/STEM/68475e2701124b3688b368435ccaa317.png)
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7 . 设函数
.
(Ⅰ)解不等式
;
(Ⅱ)若
,使得
,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728035840/STEM/620e03ab6cc14f4a98f43b91d9b23e24.png)
(Ⅰ)解不等式
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728035840/STEM/5733dbf0ef2548e19793c6487d4923f6.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728035840/STEM/d0be422b030d44d19c5f29e7ca794d93.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728035840/STEM/ec9702c872ed423993c27d39baedc854.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171728035840/STEM/34e64a5f4e7943c48d0f8de87afae73f.png)
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8 . 已知函数
是
上的增函数,
,
是其图象上的两点,记不等式
<
的解集
,则![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/46364cc242bc4744b46cc24a9b1e6a3d.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/ed3cd2eef8c44e769112dd308b90c8cb.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/1895fe97684a4998add536120b2d8d54.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/82fbae27d2af44b6b1a6b58dcbc698a9.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/788412acc33a4ea69636569faab200e2.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/3b67873e960945d9a2df63e9053ab1ec.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/f0a316b6d1df4133bcd337e790b08a46.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/3f80dcab7cd5485ca014a830e5ca6b12.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/be9ef77a773e46eba372b0bfc78a115d.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/46364cc242bc4744b46cc24a9b1e6a3d.png)
![](https://img.xkw.com/dksih/QBM/2015/7/8/1572171722285056/1572171727773696/STEM/ed3cd2eef8c44e769112dd308b90c8cb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 已知函数
,若不等式
的解集为
,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3fcf80f8b8171e590ec5161177b879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cc0fb017954c169ad037ca6e41e2cd.png)
A.1 | B.![]() | C.![]() | D.![]() |
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10 . 设函数
.
(1)当
时,求不等式
的解集;
(2)对任意
,恒有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7dac17778a8ceb2d389ddef1ab4ac0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4827f79723c41bd35bf4871bcac58907.png)
(2)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369100ccd44feaa77e5f119ea949a879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-03更新
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740次组卷
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7卷引用:2014-2015学年河北省邢台一中高二3月月考文科数学试卷