1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc63193d3c686f63aa56186dd777a6e.png)
(1)解不等式
;
(2)若
,求证:
,使得
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc63193d3c686f63aa56186dd777a6e.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188281cc0c7af6e95c32b9bbb94ffc21.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52eaacd91c25b6d91415aa741f821f96.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)求不等式
的解集
;
(2)记(1)中集合M中最大的整数为t,若正数a,b,c满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ff29cd0e072669fff95e086443d0e8.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)记(1)中集合M中最大的整数为t,若正数a,b,c满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938322788bf627f1344ad6f725f00142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60685a39d6bae79d22174db3faf5cb.png)
您最近一年使用:0次
2023-06-14更新
|
375次组卷
|
3卷引用:四川省宜宾市翠屏区宜宾市第四中学校2022-2023学年高二下学期期末数学(文)试题
解题方法
3 . 已知函数
.
(1)求不等式
的解集;
(2)已知函数
的最小值为
,且
,
,
都是正数,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4abee03d738d7f3d8d65555fdc94d8f.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0abe4960954bb3144b7e86d4233e747.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48de42fc90f6c80a503d8bea9d4412ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adf5bfbc5d41a5795e7d2d65d86b603.png)
您最近一年使用:0次
2023-05-13更新
|
407次组卷
|
4卷引用:四川省宜宾市2022-2023学年高二下学期期末数学文科试题
名校
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95c39901976197869d8ef5fbce21219.png)
(1)当
时,求不等式
的解集;
(2)若函数
与函数
的图象恒有公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95c39901976197869d8ef5fbce21219.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eca756b3e58eca1654e1101a3cd30ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-07-15更新
|
454次组卷
|
4卷引用:四川省宜宾市叙州区第一中学校2022-2023学年高二下学期4月月考数学(理)试题
名校
解题方法
5 . 已知函数
.
(1)求
的解集;
(2)记函数
的最小值为M,若
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9801c7cfc762101d1a38b561e143e41.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640d3bcd10055871a5ec2f442c1030c1.png)
(2)记函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9338b4562fe2d41548310e5208837bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820a43c9889b6e18bfeeea613cc03dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57f879f6e8df7d5fb261328806260b3.png)
您最近一年使用:0次
2021-11-24更新
|
355次组卷
|
5卷引用:四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中理科数学试题
四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中理科数学试题四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中文科数学试题山西省长治市第八中学2022届高三上学期阶段性测评数学(理)试题山西省长治市第八中学2022届高三上学期阶段性测评数学(文)试题(已下线)专题十二 能力提升检测卷 (测) — 2022年高考数学一轮复习讲练测(课标全国版)
解题方法
6 . 已知
.
(1)解不等式
;
(2)若
,求证:
,使得
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6e0a378aefaee75cf595854a9c719ae.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93a699a385ae453ce1a6f98e6eb519b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab55d4de4d990a1f56acd9fa64fac95.png)
您最近一年使用:0次
2021-07-29更新
|
305次组卷
|
2卷引用:四川省宜宾市2020-2021学年高二下学期调研考试(期末)数学(文)试题
名校
解题方法
7 . 已知函数
.
(1)求解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816635822547e563d58c5c3692b57b2a.png)
(2)若关于
的不等式
的解集不是空集,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8513986191381fede238a02bc1595b.png)
(1)求解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816635822547e563d58c5c3692b57b2a.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d99e3e25ce03391fcbb4057e79414ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-01-14更新
|
235次组卷
|
4卷引用:四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期末考试数学(文)试题
解题方法
8 . 已知函数
.
(Ⅰ)若
,解不等式
;
(Ⅱ)若对任意满足
的正实数
,
,存在实数
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00445f69344c65acd30662446343297c.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1074e5765256f1c5224287fe634ca91.png)
(Ⅱ)若对任意满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc5b4357fd97fc6a2328953fe45a294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d75dd867040f256d75c474bad37ad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-01更新
|
250次组卷
|
2卷引用:四川省宜宾市2019-2020学年高二下学期期末考试数学(理)试题
名校
解题方法
9 . 已知函数
,
.
(1)解不等式
;
(2)若对
,有
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabb8e507ec3af2302bda3c6e5ff6036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f1a3feca6218955446108ebad0a524.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fbb1cf1dbd09ed12ca2a3e5c2ad498.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a47914f8d35a705d60d6bfb99ea044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69670e80adca2e6152fe162081e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f14b3d483f0d6f99a0691dd7a3b793f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3a1d993c749b30dbe0e6ddf643d976.png)
您最近一年使用:0次
10 . 已知函数
.
(1)解不等式
;
(2)若
的最小值为m,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a05df8edae997c5ab235e54755ed33.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402010bd4c1cc3b781359c33becfaf4f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3ff9dff9a74e9511bec674dc8c9265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86be2de99fbf7f99cd54ab399146b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd2db2a69fd756529e11de1f014b2dd.png)
您最近一年使用:0次
2020-05-11更新
|
153次组卷
|
4卷引用:四川省叙州区第二中学2019-2020学年高二下学期期末模拟考试数学(理)试题