名校
解题方法
1 . 若函数
对任意
,恒有
.
(1)指出
的奇偶性,并给予证明;
(2)如果
时,
,判断
的单调性;
(3)在(2)的条件下,若对任意实数x,恒有
.成立,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)在(2)的条件下,若对任意实数x,恒有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa531b01a6fad9907d1be6a7d5b1ce2.png)
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2021-02-28更新
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827次组卷
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4卷引用:四川省乐山市井研县井研中学2023-2024学年高一上学期10月月考数学试题
四川省乐山市井研县井研中学2023-2024学年高一上学期10月月考数学试题甘肃省宁县第二中学2020-2021学年高一上学期期末数学试题重庆市永川区永川中学校2023-2024学年高一上学期第二次联考数学复习题(二)(已下线)第三章 函数专练9—抽象函数-2022届高三数学一轮复习
名校
解题方法
2 . 若
且
.
(1)判断函数
的单调性(不必证明);
(2)当
时,若
在
上恒成立,求实数a的取值范围;
(3)当
时,若函数
在区间
(其中
)上的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388c55b4ffd094a596997953d95ec8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42bb28003d53334358dddcbb449ba0b9.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7403f01b62aaf6fc8f5fab5354d0d3a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63bedd412c3002fec7c158bcd02f644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2021-01-11更新
|
443次组卷
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3卷引用:四川省宜宾市兴文县第二中学校2023-2024学年高一上学期12月月考数学试题
名校
3 . 已知
是函数
的两个零点,
,
.
(1) 证明
;
(2) 当且仅当
在什么范围内时,函数
存在最小值;
(3) 若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ec7f9b679d0a221e7918c82caa88ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978928fe8781aefccc78fbef78a433c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29b64649165f7ae4b4a5712366fec7a.png)
(1) 证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9448df33ed1b7fdaefe2b5b199caa5.png)
(2) 当且仅当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ae0994ae63ced14888b731957d8afc.png)
(3) 若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ac3f1c0906ad842ddd977a9158a7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2020-12-27更新
|
254次组卷
|
3卷引用:四川省达州市宣汉中学2022-2023学年高一上学期第一次月考数学试题
四川省达州市宣汉中学2022-2023学年高一上学期第一次月考数学试题江苏省苏州市星海中学2020-2021学年高一上学期10月月考数学试题(已下线)专题2.1 不等式的性质及常见不等式解法(练)- 2022年高考数学一轮复习讲练测(新教材新高考)
11-12高三上·江苏泰州·期中
名校
4 . 设
是函数
的图象上任意两点,且
,已知点
的横坐标为
.
(1)求证:
点的纵坐标为定值;
(2)若
求
;
(3)已知
=
,其中
,
为数列
的前
项和,若
对一切
都成立,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cab3add12dd55b5ee45c2f31b24081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ac6a58d2abf245314865594db00b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37297dbe12721370c878bf5cbbd39ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb30d7ab63c72db80273ceab6a08e9e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2692d7d2bf71dac9313e2471d64a4cd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471d81a803cd0db54214af321398c921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75ad617393a9b09e0201bb54f9a58705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-10-20更新
|
1274次组卷
|
7卷引用:2014-2015学年四川省眉山市高一下学期期末考试数学试卷
2014-2015学年四川省眉山市高一下学期期末考试数学试卷四川省仁寿第一中学南校区2019-2020学年高一6月月考数学试题江西省抚州市临川一中2018-2019学年高一下学期第二次月考数学试题(已下线)2012届江苏省泰州中学高三上学期期中考试数学(已下线)专题07 数列与不等式相结合问题(第二篇)-备战2020年高考数学大题精做之解答题题型全覆盖(已下线)专题22数列求和方法的求解策略解题模板(已下线)专题11 数列前n项和的求法 微点2 倒序相加法求和
5 . 已知函数
是定义在
上的奇函数.
(1)求实数
的值;
(2)用定义法证明函数
的单调性;
(3)对任意
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2b9f72d1c80111e0389d3ccb24822d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)用定义法证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2d0d0b9dfe2cf7c1b9ca848d2b2e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2020-11-20更新
|
586次组卷
|
2卷引用:四川省成都新津为明学校2020-2021学年第一学期高一期中测试数学试题
名校
6 . 定义在
上的函数
,对任意
,都有
,且当
时,
.
(1)求
与
的值;
(2)证明
为偶函数:
(3)判断
在
上的单调性,并求解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c50c3d7b280716c20b98edf0bf93fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6629a0a419062fd4e9d1b7672d4e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30d0fed389a86e8a6645ccd6179cef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d5a0e25aebe1cc182d2247ed344652.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513c51123a0c16953df6a15911937d95.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
对于任意非零实数
满足
且当
时,
.
(1)求
与
的值;
(2)判断并证明
的奇偶性和单调性;
(3)求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45267e1febda7d66558860723bc7226e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52efbc5e9f8dde91a98a879385051144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2b2f65e91177a5cb7e8c91b600f58e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6155e181e21ce56ea658b70f8af17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176987cdad86432e41930ff9c014671c.png)
您最近一年使用:0次
2020-10-07更新
|
1455次组卷
|
4卷引用:四川省成都七中实验学校2019-2020学年高一10月月考数学试题
8 . 已知数列
满足
,
;
(1)设
,求证:数列
是等比数列;
(2)求数列
的通项公式;
(3)设
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3998df04d0a8ded946c3f39d545fdc7e.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07cefac60bb3fcde0bded804501c90b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce83115a50f99e08e9a2db7267aeed.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22761709d37f9a2efaa8456e2dbdb054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ef4c4439b36c2847b0056a116d56d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
9 . 已知数列
的首项
,前n项和为
,且数列
是以
为公差的等差数列.
(1)求数列
的通项公式;
(2)设
,
,数列
的前n项和为
,
①求证:数列
为等比数列,
②若存在整数
,使得
,其中
为常数,且
,求
的所有可能值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dea1dd4ffcb4cf0697ca43079f6a1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4a67138f29758d025473086601cef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
①求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5603dc343728b22e51232c29f3f3078b.png)
②若存在整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcdadadbcaa0389c215808c7b1c56dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08af7c08eb7ce9f86b54d5ca848ce965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcb74292380b8df9519b9c33bfd564f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2020-11-27更新
|
850次组卷
|
5卷引用:四川省宜宾市高县中学校2021-2022学年高一下学期第三次数学(理)试题
名校
解题方法
10 . 设
,已知函数
.
(1)若
是奇函数,求
的值;
(2)当
时,证明:
;
(3)设
,若实数
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e139ffce599f7fb165e2fd6febe6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c2df3d6cdcd90cb85f831fc8bad300.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2ece75f059bd9db80493f91a42b9b4.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad78cd16f1bb10afa35a10ab257ad1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35956581b6f0f3c7daa8062055db56e.png)
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2021-01-14更新
|
5445次组卷
|
15卷引用:四川省绵阳市三台县三台中学校2022-2023学年高一下学期第一次检测数学试题
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