名校
1 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85bab33c21ad10bf5cf23852a185ae2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b0aaf2bb6997da4946b890bd42215d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-09-21更新
|
1454次组卷
|
3卷引用:四川省成都市双流中学2018届高三上学期9月月考数学(文)试题
名校
2 . 已知函数
,
.
(1)分别求函数
与
在区间
上的极值;
(2)求证:对任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6337986ffce5fdb7e037780a82c2f08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3554f8e28007f8db46942ce40d649b7c.png)
(1)分别求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a34916bed99ec3aba7382a635364c7.png)
(2)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
您最近一年使用:0次
3 . 已知定义域为
的奇函数
满足
,当
时,
,则函数
在区间
上的零点个数最多时,所有零点之和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d23d352c9118e70f1ba3bfb4a1e382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96ae7b2159d86997c875f142310e6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656a8a7c7885f5ae2ac7ff0a7a5e2c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068ad619053ac740a029f23c88d81c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d97e22c9842e5b9215eb8e2413c454.png)
您最近一年使用:0次
2017-04-05更新
|
952次组卷
|
6卷引用:2017届湖南省湘潭市一中、长沙一中、师大附中、岳阳市一中、株洲市二中、常德市一中高三下学期六校联考数学(文)试卷
2017届湖南省湘潭市一中、长沙一中、师大附中、岳阳市一中、株洲市二中、常德市一中高三下学期六校联考数学(文)试卷四川省绵阳中学2023-2024学年高三上学期一诊模拟(四)数学(理科)试题(已下线)专题2-3 零点-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)(已下线)专题02 函数的综合应用(已下线)专题03 函数图象、函数零点与方程-2(已下线)专题02 函数的综合应用-2
4 . 已知函数
,函数
在
处的切线为
,若
,则
与
的图象的公共点个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bea93753feaa46d1f7e5c8b58ba09d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb577be3e4e4bb089e1dfe3da9b6b1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
您最近一年使用:0次
5 . 已知8个非零实数a1,a2,a3,a4,a5,a6,a7,a8,向量
,
,
,
,给出下列命题:
①若a1,a2,…,a8为等差数列,则存在
,使
+
+
+
与向量
共线;
②若a1,a2,…,a8为公差不为0的等差数列,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c47e4009bc0519a5f410bcf346b225a.png)
,
,
,则集合M的元素有12个;
③若a1,a2,…,a8为等比数列,则对任意
,都有
∥
;
④若a1,a2,…,a8为等比数列,则存在
,使
·
<0;
⑤若m=
·![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1211a8569149cb7439436d6600e42d06.png)
,则m的值中至少有一个不小于0.
其中所有真命题的序号是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fbca1b06246b6b45587fe1dadfe9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b5c5c2bc9019843fcec02a56dd449d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173d79326fcd634bdb761e073d00dc3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8898a138da96add88de8e42930510e3.png)
①若a1,a2,…,a8为等差数列,则存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d7cab8b0eb1e13d6972815822562f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0241b75bbf58e96ad5e016972b011027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196de9f558dc50d6cbf537e390d74427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab5cabb08427276c7b66c5e1f15a043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fda22bc688d523c3f333f8f08e0806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c47e4009bc0519a5f410bcf346b225a.png)
②若a1,a2,…,a8为公差不为0的等差数列,向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c47e4009bc0519a5f410bcf346b225a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e17d85712113ccc3be3b6cf9322e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e1795935bb1b2d95ebda02ce245531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e2cd38ee3d1bb54155d6b526f9a10e.png)
③若a1,a2,…,a8为等比数列,则对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a60f82e6dd06b8d9228cbfcce5ab0d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124c9843b7570e01a8e6d4951b508103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1211a8569149cb7439436d6600e42d06.png)
④若a1,a2,…,a8为等比数列,则存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a60f82e6dd06b8d9228cbfcce5ab0d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124c9843b7570e01a8e6d4951b508103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1211a8569149cb7439436d6600e42d06.png)
⑤若m=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124c9843b7570e01a8e6d4951b508103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1211a8569149cb7439436d6600e42d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355edb1bf5a0ccce114aa9e3afdf2c53.png)
其中所有真命题的序号是
您最近一年使用:0次
2016-12-03更新
|
1631次组卷
|
2卷引用:2015届四川省资阳市高三第三次模拟考试理科数学试卷