名校
1 . 设函数
,
.
(1)求函数
的单调区间;
(2)若函数
有两个零点
,
;
(i)求满足条件的最小正整数
的值.
(ii)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdac8719fed9bb4e1753587608265d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb1161e72920a3420e0060f227842ee.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(i)求满足条件的最小正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4199839646ca3d412ea2265f91cc56.png)
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2017-04-02更新
|
1166次组卷
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7卷引用:湖北武汉市蔡甸区汉阳一中2017届高三第三次模拟考试数学(理)试题
2 . 已知函数
在点
处的切线与y轴垂直,且
, 其中
.
(1)求
的值,并求出
的单调区间;
(2)设
,确定非负实数
的取值范围,使不等式
在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfd0ca9dada263704a18232ae036c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/430e46fe2707fb0e299da2e6b85f3033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3baf17b5481b4318da34a543675852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3396b3c4d14b9e9b64434add3c2e8874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5a270c540073cd97179e648ce3694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
您最近一年使用:0次
解题方法
3 . 已知函数
在点
处的切线与直线
平行,且
,其中
.
(Ⅰ)求
的值,并求出函数
的单调区间;
(Ⅱ)设函数
,对于正实数
,若
,使得
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454da056da7c107c488a7142ffa46c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93293eb93cbd9e60cdd66c399d6e4577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/512f4c29ff276b7f35052ad4cc255ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a70c79498eaafdd27bbd17f57ae46b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7569cd7e9b31ad838230133b9bc8314.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3447d2d73dbe361b7cc26591af8788d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860c449466dcf1f2f98175def034d537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bc7ea255f804b90df4de4992ba4a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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4 . 已知函数
.
(1)讨论
的单调性;
(2)设
,若对
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dced786e226d2da22e732a503578d19.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e45e9217434dc1476140f1c4fcb317f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-02-24更新
|
2790次组卷
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3卷引用:2017届湖北省武汉市武昌区高三1月调研考试文数试卷
名校
5 . 设
,曲线
在点
处的切线与直线
垂直.
(1)求
的值;
(2)若对于任意的
,
恒成立,求
的取值范围;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613decb3b6a48dcc5ed9cd11412bc32c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0519ca67eb9570d0c256affadb48eec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf4f665589ad79bc9ecd3fdf382d356.png)
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2017-02-21更新
|
2943次组卷
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5卷引用:2017届湖北省荆、荆、襄、宜四地七校考试联盟高三2月联考数学(理)试卷
6 . 已知函数
.
(1)求函数
的单调区间;
(2)若
在
上恒成立,求实数
的取值范围;
(3)在(2)的条件下,对任意的
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35416de1cc025be048944632480f1b9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee07d10876bc25a53d400fabd33d5467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff295312255e64bfbce36f75a6459914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)在(2)的条件下,对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55b207ffe6ec4277c1f16ddc7a1f8d.png)
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2017-02-16更新
|
1560次组卷
|
2卷引用:湖北省浠水县实验高级中学2017届高三12月测试数学(文)测题
名校
7 . 已知函数
的定义域为
.
(1)判断函数
的零点个数,并给出证明;
(2)若函数
在
上为增函数,求整数
的最大值.
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7050ce518174b0820bf1d183d4d985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f7498afc14e38f0b8d7bf1ce3b257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93971024f177f0b2debbe1e744d899c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8ab203fa8bd99040d927424fd10260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e7fb030e41aba9c7013e1a96d20e20.png)
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2017-02-08更新
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8 . 已知函数
,
,曲线
与
在原点处有公共切线.
(I)若
为函数的极大值点,求
的单调区间(用
表示);
(II)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7bcb03bcc5f59aa98690d66902f6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ff2d2283900441ae4e8b4c47e4f2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6dedfb87b8b9613a5a0cc1eb45b3ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db8b013bd7c6bb7bb7be2880df51d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-05更新
|
526次组卷
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2卷引用:湖北省武汉市蔡甸区汉阳一中2021届高三下学期二模数学试题
名校
解题方法
9 . 函数
,
,
1
若函数
,求函数
的极值.
2
若
在
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6263576e5c3f2324a8dac311476bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb17d46df01bcac45350fe005fc671de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d943ff68c7f7b3a8d261c735b8921cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae3536104b849512089628a52ea8e8d.png)
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2016-12-04更新
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8卷引用:2016届湖北襄阳五中高三5月二模文科数学试卷
10 . 若曲线
在点
处的切线方程是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb9ad466c2dcbbe064bad2828ea0ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29801f799532ee7dda9658c30e373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2016-12-04更新
|
427次组卷
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2卷引用:湖北省枝江市第二高级中学2017届高三下学期高考模拟数学(文)试题