已知函数
(
,
).
(1)求解关于x的不等式
;
(2)若
,
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47416f24c60c11793931df80ec511226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcaf52ff5548414369a7527789eb932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665dc334a37e61c356b636604eb0f8c3.png)
21-22高一下·海南省直辖县级单位·阶段练习 查看更多[2]
海南省琼海市嘉积中学2021-2022学年高一下学期第一次月考数学试题(已下线)突破4.4 对数函数(课时训练)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)
更新时间:2022-03-29 15:21:10
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适中
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名校
【推荐2】已知t为实数,函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50f107238f4650fee575a1a1efef1c3.png)
(1)若函数
是偶函数,求实数
的值;
(2)当
时,
的图象始终在
的图象的下方,求t的取值范围;
(3)设
,当
时,函数
的值域为
,若
的最小值为
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8812265303236a9b5e932b3d3e3747c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50f107238f4650fee575a1a1efef1c3.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294d3ba85030a2aff15b92b2e18a87f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15a13b4190ac3d5feaee27a4c97b21b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e613a5aa85a0f468849be5981d36dbde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300a3a6d3270bccac16b34fd7a3cb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
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解答题-证明题
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解题方法
【推荐1】已知函数
.
(1)判断函数
的奇偶性,并证明;
(2)解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70de89a5f18c1f88613124bbfa144d4.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bdcac0d5fbb019cf5811668ce1e026.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】已知函数
.
(1)当
时,求该函数的值域;
(2)求不等式
的解集;
(3)若
于
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4eb6a68486a497e573e0e48a65909ea.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6483994669ecd13e11612bdab672af4f.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648072db533deedec76fb4fc9b4faa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44822a399f305f2e1b6ab00f1222056b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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
解题方法
【推荐1】已知函数
,其中
.
(1)当
时,求
的单调区间;
(2)若对任意的
,且
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1ac2413976d5cd6dee69d704470a45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a6fa46e758ef0249729cad2c414305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19497966f5a630e1329533d306d622b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
(0.65)
【推荐2】已知函数
(
且
)
(1)试判断函数
的奇偶性;
(2)当
时,求函数
的值域;
(3)已知
,若
,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363732269adfd01771fba3ccc70c963f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea8c4fff8cb2ce8f1a61b4cb93d1e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3163619d07ac00b41cce20c8612c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715f71f29ada76a6c736dbe0db8c8e31.png)
您最近一年使用:0次