解题方法
1 . 已知函数
若
,则实数a的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c097f33321a429ccef2603bafefdade4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a740ea7ce1c79a7e35325d832ea36ce.png)
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2 . 已知
是定义在区间
上的增函数,且
,如果
满足
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58edd6b04c5692e26327f783aea357e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7efbe2451f4f34eef70ea87beef671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
3 . 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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4 . 已知函数
,其中
表示
,
中的最大值,若函数
有3个零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b532b68bfc793ca4826283d97458ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385e1459ada24f66206d0de24a85ad0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c49ca8562b98657ca9c499093f7233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
5 . 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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6 . 已知函数
在
上连续且存在导函数
,对任意实数
满足
,当
时,
.若
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297c2202db3ad2a09020d697fa7353d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f7c57aebce6b242aaafe7f1ec70666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af97007629a190827ec414cab51a0c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知定义在
上的函数
满足:
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea729e249a43cf07c31634ab3b4c98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7623bb7c826abc714235ef0e7052ad08.png)
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8 . 已知
,则不等式
的解集是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a32951e48e0cf81290da5295df26243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba4e0a1adebbea0ebf7f2847650eff2.png)
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9 . 已知
是
上的偶函数且满足
,若对
,
恒成立,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0780c37e42419d65bdabf31b41f24934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d70d2a3c9ff48faf18a6f2acd79d8f.png)
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10 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9821cd4642425ae8d6c92ff9d48123e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f16ecf00e593999e81a50906659f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9821cd4642425ae8d6c92ff9d48123e.png)
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