已知函数
,
,其中
.
(1)设函数
,若
在区间
上不单调,求
的取值范围;
(2)设函数
是否存在
,对任意给定的非零实数
,存在唯一的非零实数
,使得
成立?若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c454419ce090ffa7d5ee9efcf5d0ceea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf768505a8a098be68e40efb7301889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3fc7a54f5012e77e4bb9413a23b4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c97d54952104950bfd7afc0176bbd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf2efbc6f090d80180c4295e1d8921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd227691b7e2e2b744c86abc4af2cb5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed351fdb8bf5514abc3f03fa6e3a728.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
2009·浙江·高考真题 查看更多[2]
更新时间:2019-01-30 18:14:09
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解答题-问答题
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适中
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名校
解题方法
【推荐1】已知函数
.
(1)求函数
的极值;
(2)若
在
上是单调增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b636844dddba5c8e2a96f34e03c7eddb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ce427e77b33622d435481d8f712994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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适中
(0.65)
【推荐2】已知函数
,
(1)若函数
在区间
上为单调增函数,求实数
的取值范围;
(2)设
、
是函数
的两个极值点,若直线
的斜率不小于
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4b689d77f430543c0cb2a869d6689b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ee114cb6c76c2762fea5aff82d51fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef836708ff4f7ed21b7370fd028988b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知函数
,
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(1)若函数
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处有极值10,求实数
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(II)不等式
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaaba9e7897487967fd1740398f4d45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06282ad603b7a56f22bb084ecc365aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
(I)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033f2c2bee683bec51fd69e2640ca5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5a5916e27ebe877889087125ad744b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(II)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b7bf9d95cf88117f1c47c1620e60a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b504bfc647480832b9ef1e758f8ccbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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适中
(0.65)
【推荐2】已知函数
.
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4a0f8b583e0db9f725cdfd06dd7232.png)
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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(2)若函数
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适中
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【推荐3】已知函数
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