1 . 已知函数
,
.
(1)当
时,求不等式
的解集;
(2)若对任意
,都有
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd0c040f249b19b6f1e54b2ea2d3ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ec4add31dd4c2d48aadbb7bd13e607.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27029d4c6516440017d369772b1f6c1e.png)
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2023-08-09更新
|
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6卷引用:贵州省贵阳市2021届高三8月摸底考试数学(文)试题
名校
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9925172f6bad69d3525e7aa795c62.png)
(1)求不等式
的解集;
(2)若不等式
对任意
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9925172f6bad69d3525e7aa795c62.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4660d96a9fd314224744fbfe414d4dfc.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ed1331b094af634f0640b05938dfdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
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2021-09-06更新
|
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8卷引用:江西省赣抚吉名校2022届高三8月联合考试数学(文)试题
名校
解题方法
3 . 已知函数
,函数
.
(1)当
时,求不等式
的解集;
(2)若函数
的图象恒在函数
图象的上方,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65345dec765bd06d1d9e7e8900a67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae9fe6dab2ec2ea8d67b765f1ff48d8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4955c5adc717b7f6f0b975e0724ff5.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2021-07-30更新
|
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8卷引用:宁夏青铜峡市高级中学2022届高三上学期开学考试数学(理)试题
20-21高三下·全国·开学考试
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220a0219b5dfa32a3558e705a7bfe6b9.png)
(1)当
时,求不等式
的解集;
(2)设函数
.当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220a0219b5dfa32a3558e705a7bfe6b9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0abe4960954bb3144b7e86d4233e747.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b534faf3eb7493b1823ace5985017337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e1ba4b44f4e6932b593749ee86b11d.png)
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2021-03-07更新
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5卷引用:百师联盟2020-2021学年高三下学期开年摸底联考考文科数学试卷(全国Ⅰ卷)
(已下线)百师联盟2020-2021学年高三下学期开年摸底联考考文科数学试卷(全国Ⅰ卷)(已下线)百师联盟2020-2021学年高三下学期开年摸底联考考理科数学试卷(全国Ⅰ卷)(已下线)专题37 仿真模拟卷03-2021年高考数学(理)二轮复习热点题型精选精练百师联盟全国卷2021届高三开年摸底联考数学(理)试题百师联盟2021届高三开学摸底联考数学(文)试题
名校
5 . 已知函数
.
(1)求
的解集;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72157c1977b28de95ae5d0f7f7e09f55.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369100ccd44feaa77e5f119ea949a879.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10326bb0a5b7ba71695f54e242fbeda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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2020-07-21更新
|
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7卷引用:吉林省林实验中学2021-2022学年高三上学期开学测试数学(文)试题