已知函数
.
(1)求
的单调递增区间;
(2)当
时,求
的最值及取到最值时
的值;
(3)当
时,关于
的不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb18bf398fcc3f12f1d7dd7b23cc79bd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2de05b1375ed3b6662beb65b21e52c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bbe6deff19943e8c12f70560ff5df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af59510e127fdfe494b4adb23896090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2024-05-27 22:24:49
|
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解答题-问答题
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适中
(0.65)
【推荐1】设函数
,其中向量
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求:(1)函数的最小正周期和单调递增区间;
(2)当
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的值,使函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebd61b9f0812c826c783100f44e9b9f.png)
求:(1)函数的最小正周期和单调递增区间;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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适中
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名校
【推荐2】已知函数
(
,
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取得最大值2.
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(2)将函数
的图象上的每一点的横坐标变为原来的
倍(纵坐标不变),得到函数
的图象,再将函数
的图象向右平移
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的图象,求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c055a02fba0827ffcaa92f73ce7720.png)
![](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/0ff420ca0d6e2e7d434a933cf6c5792b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
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适中
(0.65)
【推荐1】已知向量
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(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
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适中
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【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
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(1)求
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(2)在
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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1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c4ce6839fd238d971e85130e75c246.png)
(1)求
的定义域及最小正周期;
(2)求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c4ce6839fd238d971e85130e75c246.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
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适中
(0.65)
【推荐2】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a4ec68a8c6980548502e08d0a3b25c.png)
(1)当
时,求函数
的单调递增区间;
(2)当
时,求函数
在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a4ec68a8c6980548502e08d0a3b25c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be36a60c4a56fe62e55ea53edf93ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
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(1)求实数
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,都有
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322b4af34ce8d81a0c880216a9d5ccad.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f283f717d6ce3936cd46651293f924.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)求函数
的单调递增区间;
(2)若对任意
,存在
,使得
,求实数
的取值范围;
(3)若函数
,求函数
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fd573ad312da3c862627718e77575b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdad8acb5f4d31bfee990bf844b1a37.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e86bc8775b7d7827d7fd10a7880c46.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b55514ac04cb0b784c5e6e7d7e2f9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf4f868ee05af59275ace26167ed5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d07623327be6016313b677059cd77d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fad5c36c01dd889f2e4a496df4d64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
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