解题方法
1 . 已知函数
在R上连续,且存在导函数
,对任意实数x,满足
,当
时,
.若
,则x的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9333496d9d516dfff9a8f79b0b25d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07370085c170b6e5cec19da627a3d58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377fc3bdedde5c9283e6e0d1dc205d41.png)
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名校
2 . 已知函数
,若
是函数
的驻点,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad93645df9555640ba6402ac1f262b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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3 . 若函数
的图象上点A与点B、点C与点D分别关于原点对称,除此之外,不存在函数图象上的其它两点关于原点对称,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b699522149ef82c85bac353f32f2187e.png)
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解题方法
4 . 已知函数
.
①当
时,
,记
前
项积为
,若
恒成立,整数
的最小值是______________ ;
②对所有n都有
成立,则
的最小值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/227c3613c9bdafd6f258c53dbf49776b.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef2639f7d9950f9481a5ddd92334be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c16b5df55ae677b721c5401ca1a8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②对所有n都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f791e32e2606e39c024f26c7a02feb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
5 . 若
,则实数a的取值范围为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b73ae1d1126dc3da8d558db53743f53.png)
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6 . 已知
,
,对任意的
都有
,则
的取值范围是_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c78fc54dee0dee8c889114611906df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83655a9220769796fe153f023528c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae828be829213bd6b66651dce99263c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知关于
的不等式
(其中
)的解集中恰有两个整数,则实数
的取值范围是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a9ee364e657e34bea8b4e808bd8c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe90bc702b45f98d6c2eed989ffccdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知0是函数
的极大值点,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1889101e3cc7e37d29f1b9d62e17ee39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
9 . 设实数
,若对任意的
,不等式
恒成立,则
的最大值是______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abded90495e9d6ed95277ae2dee3bd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9774872925b4f9a87f401fd782dfb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 已知函数
,若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c57d8a11efaaaf4d4a353fe1c7d3f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b798a08e0654f125300f194eed06c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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