已知函数
,将
的图像上所有点的横坐标缩短为原来的
,纵坐标不变,得到函数
的图像.已知
在
上恰有5个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752f7a66792fc1c3285a14082dcfdf6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
22-23高三上·宁夏银川·阶段练习 查看更多[3]
更新时间:2022-12-16 10:54:12
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【推荐1】已知函数
其中
.①若
,则
的最小值为______ ;②关于
的函数
有两个不同零点,则实数
的取值范围是______ .
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【推荐2】已知
是定义在
上的偶函数,且
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时,
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且
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【推荐1】已知函数
,有下列四个命题:其中正确命题的序号为_____ .(填上所有正确命题的序号)①若
,要得到函数
的图象,只需将函数
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个单位;②若
,则函数
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的一条对称轴方程为
,则
;④若方程
的正实数根从小到大依次构成一个等差数列,则这个等差数列的公差为
.
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572816948092928/1572816954245120/STEM/32f58c7f1fa74f2ca2271e782f87f7ee.png?resizew=220)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572816948092928/1572816954245120/STEM/b8e81a0b121e4dfb8c1e7675b9b54f1d.png?resizew=93)
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![](https://img.xkw.com/dksih/QBM/2016/6/23/1572816948092928/1572816954245120/STEM/a4e4853cbeec486f89e3ce5a9eaca63c.png?resizew=77)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572816948092928/1572816954245120/STEM/1957592ddd084e389a3693003ac415fb.png?resizew=17)
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【推荐2】设函数f(x)=sin
,
则下列结论正确的是__________ .(写出所有正确结论的序号)
①函数y=f(x)的减区间为
;
②函数y=f(x)的图象可由y=sin 2x的图象向左平移
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③函数y=f(x)的图象的一条对称轴方程为x=
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④若x∈
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②函数y=f(x)的图象可由y=sin 2x的图象向左平移
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③函数y=f(x)的图象的一条对称轴方程为x=
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④若x∈
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【推荐1】将函数
的图象向左平移
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=______ .
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【推荐2】函数
的部分图象如图所示,将函数
的图象向右平移
个单位后得到函数
的图象,若函数
在区间
上的值域为
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12a5d6e121aa37232eb0839af64b3c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a49d1b5814fb6779cea0d3b2b760311.png)
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【推荐3】函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f079822740a43def4c00aca26b0607.png)
的部分图象如图所示,则下列关于
的结论正确的序号为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/1bb5d588-9e7f-489f-8eaf-39df24d08885.png?resizew=146)
①
的最小正周期为
;
②
的图象关于直线
对称;
③若
且
,则
;
④
的图象向左平移θ(θ>0)个单位得到
的图象,若
图象的一个对称中心是
,则θ的最小值为
.
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①
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb4f18e897e705d7fd4e1b87eec9fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2c4bb3e285ad0f92b728ddead20a0f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b212e0d4339cbd3d236a807547ebf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
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【推荐1】已知函数
是由
向左平移
个单位得到的,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
__________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44fb1f6cff99e4d592eaecda527adb81.png)
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【推荐2】若函数
的图象的相邻两条对称轴之间的距离为
,
,则下列说法正确的是__________ .(写出所有正确结论的序号)
①
是偶函数;
②函数
的图象关于点
对称;
③函数
在
上单调递增;
④将函数
的图象向右平移
个单位长度,可得函数
的图象;
⑤
的对称轴方程为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6927367108dcf8095cc2c7c8ab0fdb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd127e239ba62daa7fb84fc0e2e26d3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588161064cecb410ee7a127b77925b77.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0210d1c03f8d237737a007dd23297fe8.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f6f0f4405d5aa10ea60783892c1180.png)
④将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08921a72d608d1618d765569e752a4e.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3c53f17321c04d516077ab730469f9.png)
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