已知函数
.
(1)判断该函数的奇偶性,并说明理由;
(2)判断并证明该函数的单调性,写出该函数在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f62e292e0550e030d2977c50b94753.png)
(1)判断该函数的奇偶性,并说明理由;
(2)判断并证明该函数的单调性,写出该函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116be0e9d2a23e022b14165ed3994a17.png)
更新时间:2021-03-22 14:07:36
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相似题推荐
解答题-问答题
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适中
(0.65)
名校
【推荐1】已知指数函数
满足:
,定义域为
的函数
是奇函数.
(1)确定
和
的解析式;
(2)判断函数
的单调性,并用定义证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8a14649950eb1c74a1a1af244fbf8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b191534d767d067ff4f625afd6e8473f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8eb53811c8b11cec6a85d990df3f83.png)
(1)确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8a14649950eb1c74a1a1af244fbf8f.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
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解答题-作图题
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适中
(0.65)
解题方法
【推荐2】已知函数
在y轴右边的一部分图象如图所示,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/3af386ce-f783-476d-91ff-e0d5e0b8da75.png?resizew=146)
(Ⅰ)作出函数
在y轴左边的图象;
(Ⅱ)判断函数
在
上的单调性,并用单调性定义加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/3af386ce-f783-476d-91ff-e0d5e0b8da75.png?resizew=146)
(Ⅰ)作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
(Ⅱ)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d53e84446ab2d482dd8cdfeb27b402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6ffa6fe2387ee19234c2ad0fcb92ea.png)
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【推荐3】函数
是定义在
上的奇函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25fc43aed4ab856199da8c3b6092e8c.png)
(1)求函数
的解析式;
(2)用定义证明:
在
上是增函数;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0968841c3b9731f5fe1308f9dc7c5023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25fc43aed4ab856199da8c3b6092e8c.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)用定义证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9decdb0fe6b8d1669f978acb526e49f6.png)
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解答题-证明题
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解题方法
【推荐1】已知函数
对任意实数
,
恒有
,且当
时,
又
(1)
.
(1)判断
的奇偶性;
(2)求证:
是
上的减函数;
(3)求
在区间
,
上的值域;
(4)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/bd384d86840b7b158af41f56fe29c7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2b3b0ca12bc39549b0c3843c1dee61.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e769253580c681894be8ea2692183947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141db3e7187a57e67798d8844073d56.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d274b4edbba503ea1b3ac1e3d1bbfe91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0103a422ab86c4b3c1f49099a6003d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知函数
,
.
(1)判断函数的奇偶性,并证明.
(2)若
,
,求
的值.
(3)若不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)判断函数的奇偶性,并证明.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10f9bf23b014fac5e87ccc8baead338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af0a410c4cf439dc9f5259850e33d64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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(0.65)
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解题方法
【推荐3】已知函数
,
,函数
是奇函数.
(1)判断函数
的奇偶性,并求实数
的值;
(2)若对任意的
,不等式
恒成立,求实数
的取值范围;
(3)设
,若存在
,使不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10cf6c4b4b96f027e33d957899c648e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4172440be7d203cad4e0c6e549e148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9cec0474c43086ea39cb457048313c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf3b0276fd11eb44cd9351167328a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1730302b2f3816939e5116a418e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0ed53225c1a9d253ef5cca581a7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c5160159350a9740f9408bf2ccc2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐1】设函数
,且
.
(1)求
的值;
(2)当x∈[2,14]时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683b8bc61906e6fe95d5f18b2f3b4158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d30ac1549e96445f30531dcc2406bc4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当x∈[2,14]时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次