比较
的大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7023f0f72dcfabe482fa40a6c910519b.png)
20-21高一·全国·课后作业 查看更多[5]
(已下线)第8课时 课中 对数函数图象和性质(已下线)4.2 对数(课堂培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)第4章 指数与对数(章末测试基础卷)-2021-2022学年高一数学同步单元测试定心卷(苏教版2019必修第一册)(已下线)课时4.3.1(同步练习)对数-2021-2022学年高一数学新课学习讲与练精品资源(人教版2019必修第一册)(已下线)题型01 不等式相关解题技巧
更新时间:2021-08-25 14:38:00
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解答题-问答题
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适中
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【推荐1】已知函数
.
(1)求
,
,
,
的值,并计算
,
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4df8596f2fa55bb9750afbab85cc5d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fef5f357f94e1e162cc47a99f9ab1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bd888bfb31bdd6cddc28e687304406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fc5cec42e2884e91c299c480739334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f688ea61147fd59c7fb221ff2883068d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bfb3d6be9647e408807286f7b56ec5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59d1695debf200e611a27361e751c71.png)
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名校
【推荐2】已知集合
是满足下列性质的函数
的全体:在定义域内存在
,使得
成立.
(1)函数
是否属于集合
?说明理由;
(2)设函数
求
的取值范围;
(3)设函数
图像与函数
的图像有交点且横坐标为
,证明:函数
,并求出对应的
(结果用
表示出来).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c3f77c4d399c6ce669406032c7b7f3.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16addb18dc681ab34eff304e12b1bb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c39a214d20fb6fbae9a5224a6de022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.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1】(1)比较
与
的大小,其中
;
(2)设
,
,
,比较
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ba8e67f1fc02b0a38c11279e1c9c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f531138034bef9ecd0135582d73c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a89495c19be4f58ee3f60940f9765f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b3aa7678e9a9bd9c50132f66f9b69a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674b319deb749af85ac9138466296370.png)
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解题方法
【推荐2】某种商品计划提价,现有四种方案:
方案(1)先提价
,再提价
;
方案(2)先提价
,再提价
;
方案(3)分两次提价,每次提价
;
方案(4)一次性提价
.
已知
,那么四种提价方案中,提价最多的是哪种方案?
方案(1)先提价
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f442debf80fed40793bc4427d55a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c3944013116d9fe5659904217c8412.png)
方案(2)先提价
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c3944013116d9fe5659904217c8412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f442debf80fed40793bc4427d55a8a.png)
方案(3)分两次提价,每次提价
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76668e63ebd09bd58f753e2afc1ba60f.png)
方案(4)一次性提价
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2390b538dae6ae179ca86906434bb92e.png)
已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eba129d92ede31b728e2590c4db2a1.png)
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