已知函数
.
(1)求函数
的解析式;
(2)已知函数
在区间
上具有单调性,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f441e5ce6c2c9cacb445e190acf9db1.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92634a7daabf9bce925f0d7507ea7526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2021-12-15 08:30:14
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】(1)已知关于
的不等式
的解集为
或
.求
的值;
(2)已知
是一次函数,且
求
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9deeb02676b13db2735699803f8c601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68b799fff7844743371a82e3eb18801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d5c65d76b90bafe1a009ef1693af2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca3f4c97c4fa2209700ee23ba598dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc263f4990fdf4938e3f89b48e876fd.png)
(1)求函数
的解析式,
(2)若函数
,判断函数h(x)在区间
上的单调性,并用定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc263f4990fdf4938e3f89b48e876fd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3109a3db9931922fda8851ab5875b915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
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解答题-问答题
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适中
(0.65)
解题方法
【推荐3】根据下列条件,求函数
的解析式;
(1)已知
是一次函数,且满足
;
(2)已知
;
(3)已知等式
对一切实数
、
都成立,且
;
(4)知函数
满足条件
对任意不为零的实数
恒成立
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b8ecd77c262fb5779a71954cfd7f7dd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b5ab5ac2e41f34958fec2a78a1ca63.png)
(3)已知等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c933af833d4f26ab99ebf0f6ca45eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
(4)知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8490dcaf1d01d9abab5b3899730307dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】设函数
,且
.
(1)当
时,求函数
的最大值与最小值;
(2)若函数
在其定义域区间上是单调函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3dcabb7a16002375fdc377d185405fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7376dbe3af5f7132e15d0457ac4ac2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
为实数),设![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/59179625e5284e94a9ee74590563b338.png)
(1)若
= 0且对任意实数
均有
成立,求
表达式;
(2)在(1)的条件下,当
是单调函数,求实数
的取值范围;
(3)设
满足
,试比较
的值与0的大小.
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/18bfbbcac01144648891f81c698f0083.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/59179625e5284e94a9ee74590563b338.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/d244f94f3d4d423e93364e50bfa3ec67.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/39b666f4b75b4affaf8d869c91ffdc00.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/7553e22a1bdc45aebb48676676fc47a3.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/2471cbe9e34548858f401d3d11f5293f.png)
(2)在(1)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb022363446d27d84cd339755deaa58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/88d8dcaddb724100aa9bcad671c66a32.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/3e1f2cbf3f0a4bcd823d3413724f456d.png)
![](https://img.xkw.com/dksih/QBM/2016/10/27/1573097615572992/1573097621118976/STEM/7c2cc0d70fe54a39b6c39adbd27347e4.png)
您最近一年使用:0次