已知向量
,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
.
(Ⅲ)将函数
的图象向右平移
个单位得到
的图象,若函数
在
上有零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2287f2841f6719cabd995600323e92b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47362bbf83a6f3ab756b2eabb1135e4.png)
(Ⅰ)求的单调递减区间;
(Ⅱ)若,求
的值;
(Ⅲ)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2aa4ea2eaf899438bf00f4db4d813ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3563efb8f35cb5124f3e321905c8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
更新时间:2018-01-09 16:05:38
|
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解答题-问答题
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适中
(0.65)
真题
名校
【推荐1】设
.
(Ⅰ)求
的单调区间;
(Ⅱ)在锐角
中,角
的对边分别为
,若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389a9450006472bd020f13957f01a2b6.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(Ⅱ)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知函数
求:
的最小正周期;
的单调增区间;
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e5bb943a90452c2ba0ac6447d0637c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4c471c48660e7f5e213b6e70d734af.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
(
).
(1)当
时,写出由
的图像向右平移
个单位长度得到的图像所对应的函数解析式;
(2)若
图像过
点,且在区间
上是增函数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798af57938408f6e1fa1493c05242aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a0e41b7d20402d778713c8e0a4c160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39399307eef778140cfa3881df20e432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解答题-问答题
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适中
(0.65)
【推荐2】设函数
(A,
,
是常数,
,
,
).提供哪些条件可以较快算出参数A,
,
中的一个或若干个?
(1)在以下六个条件中选出两个作为已知,使得参数A,
,
均唯一确定,求
.
条件①:
的最大值为2;
条件②:
的两条相邻对称轴的距离为
;
条件③:
可以由
平移得到;
条件④:
;
条件⑤:
是
的对称中心;
条件⑥:对任意的
,都有
成立.
(2)根据(1)中确定的
,若
的值域为
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf15f4fb71651e115d7454fc6a66981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c11ada6e9ec838a163d17d0412c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d65b6b24f2b83a74a2a6f7afb1df89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(1)在以下六个条件中选出两个作为已知,使得参数A,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678bd0913243e08a0e38ce325aa5030d.png)
条件④:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f8e4debfb6aa241a787da106c359f0.png)
条件⑤:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ecd99ecc761ae5bde5b9712833a9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
条件⑥:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a847a2afdc2f6821fa267fe7d9e5c7a.png)
(2)根据(1)中确定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d54948b596cecdd50932a128ed81740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
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