10-11高三上·福建厦门·阶段练习
1 . 已知函数![](https://img.xkw.com/dksih/QBM/2011/2/18/1569997731446784/1569997736804352/STEM/794ab03e2ac141c9a7b6103149b4cfde.png?resizew=92)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)若函数在区间
上存在极值,其中a >0,求实数a的取值范围;
(2)如果当
时,不等式
恒成立,求实数k的取值范围;
(3)求证:
.
![](https://img.xkw.com/dksih/QBM/2011/2/18/1569997731446784/1569997736804352/STEM/794ab03e2ac141c9a7b6103149b4cfde.png?resizew=92)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
(1)若函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/124b108c5e6819a4b58b7362d5c30073.png)
(2)如果当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0aab66798e1f60dc23c693c14e5a0.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e1068781bc47422019aa28f40dba79.png)
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2 . 已知函数
.
(1)若曲线
在点
处的切线斜率为1,求函数
的单调区间;
(2)若
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56ba093ba2971286673e665c1c10df3.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23272635181bb51db5a6a1917d73aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 若关于
的不等式
有且仅有两个整数解,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db30af68d11bcd3a9e34af83e73ab4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-04更新
|
858次组卷
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4卷引用:2016届内蒙古赤峰市高三4月统一能力测试数学(理)试卷
解题方法
4 . 已知函数
.
(1)当
时,若
恒成立,求
的值;
(2)若
但成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9cdea1e995c59e5d3225acad8b4d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf1fba67d258d45304cd866545b9747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf1fba67d258d45304cd866545b9747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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5 . 已知函数
(其中,
).
(1)当
时,若
在其定义域内为单调函数,求
的取值范围;
(2)当
时,是否存在实数
,使得当
时,不等式
恒成立,如果存在,求
的取值范围,如果不存在,说明理由(其中
是自然对数的底数,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee6849810a989c6407887c48af3cbf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cca0ec4b4343a6ccd13b652aea1d00c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f4a8aa0ff164e9ac82f711e41bafdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d218992d1942266d7208e476d0c4100.png)
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6 . 已知函数
在点
处的切线与直线
平行.
(1)求
的值;
(2)若函数
在区间
上不单调,求实数
的取值范围;
(3)求证:对任意
时,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61082b7e56bb497b4fa348427024dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e5694c2f33033cced4e29d3152c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bade5e774c30e5ab9b601a8031377d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ee644169ad93379283ae715d8ebf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10874bc06b7d4d050d11b49127f4208b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6023e8dbbcc4b8ea21efb56c4ff2450b.png)
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7 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1805a3926441a76f665912a56ee6b3.png)
(1)若存在
,使
成立,求
的取值范围;
(2)当
时,
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1805a3926441a76f665912a56ee6b3.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b99a4eee958433e67fc0dbd6b36e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3cac3dc11e8702f1ee41ee8d2a604f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1478d4bb80ad9fcdbf359be1f125fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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8 . 已知函数
,
,且
点
处取得极值.
(Ⅰ)若关于
的方程
在区间
上有解,求
的取值范围;
(Ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99188b4a701f4bc51bf785042a3c60c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9246b8052abe10f7187e3e1357683e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(Ⅰ)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca69286c0c37c439a1f62217bfc5562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(Ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a141d9834d3aeec04e8b2fe9195c62.png)
您最近一年使用:0次
2016-12-03更新
|
558次组卷
|
3卷引用:2015届内蒙古呼伦贝尔市高考模拟统一考试二理科数学试卷
10-11高二下·内蒙古赤峰·期中
解题方法
9 . 已知函数
.
(1)求函数
的最大值;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb2b4826ca175ea14646ddd7f9ec441.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463aff6a1273d8cc8ff4d2ee3378c2e7.png)
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10 . 已知函数
.
⑴求
的单调区间;
⑵若
在
上恒成立,求所有实数
的值;
⑶证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cec7ed64ff94340ade727558b07aea.png)
⑴求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
⑵若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9da98e415cc14fc6e03561a7a72d95b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881fec40d166eecf66123058faf05fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑶证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1387f815a7ea223d77cefd02aee80e2b.png)
您最近一年使用:0次
2016-12-03更新
|
658次组卷
|
5卷引用:2015-2016学年内蒙古赤峰二中高二上学期期末理科数学卷