已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2226e0d190181b94cf6bff4c2bb777.png)
(1)若方程
有且仅有一个根,求
的值.
(2)若关于
的不等式
在R上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2226e0d190181b94cf6bff4c2bb777.png)
(1)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be31aa2a175cb67d3c4586dde2f965c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3315de02d26c13e6c92214752e046b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
更新时间:2022-10-24 21:27:46
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解题方法
【推荐1】对于函数
,若存在实数
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=
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(1)当
时,求
的不动点;
(2)当
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在
内有两个不同的不动点,求实数
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(3)若对于任意实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfe54c5f7c7e30eeb53621788e41f48.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600379d4a993514aaaeed551de58293a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d97803c3b16893ced41ad5cd9aba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若对于任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
(0.65)
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【推荐2】已知函数
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(1)求
的值;
(2)若函数
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上为减函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4412a8304980a33f1837c40543b067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16691c0355502ce4e92d6d7c75aa4ed7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882201c6fc4397d746ca2ef57a4073d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
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【推荐1】已知函数
,
(其中
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(1)若对任意
,都有
恒成立,求
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(2)设关于x的函数
的最小值为
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①若
,解不等式
,并直接写出
的值;
②试判断
是否为
的函数?若是,直接写出
的函数表达式(用分段函数形式表示);若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5846bdb241c53df66ec027d1c576d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f27a9e9be7b2d16f2eac6f3fa63096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
(1)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设关于x的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8477fe0f31ed432cc5e27403355b3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5afe7efb75a831cbec81c7850b6b379.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c493a5f9d7031c486a79b03d7fd2d4c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa3100a67c2d1d6e71ff4b2d3d4e147.png)
您最近一年使用:0次