已知函数
的部分图象如图所示,函数
的图象过点
,且
的图象的两条对称轴之间的最短距离为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ ;将
的图象向右平移
个单位长度,得到函数
的图象,则
图象的对称轴方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e658113eadee1b45111b2a927c24e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://img.xkw.com/dksih/QBM/2021/5/21/2725928009834496/2725959003594752/STEM/6af7cf2e13c54fadab35e3c9749b870f.png?resizew=213)
2021·浙江·模拟预测 查看更多[2]
更新时间:2021-05-21 18:40:42
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【推荐1】将函数
的图象上所有点的横坐标缩短到原来的一半,纵坐标不变,得到函数
的图象,则下列说法中正确的是_________
①
②
在区间
上是增函数
③
是
图象的一条对称轴
④
是
图象的一个对称中心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae81c43f853bdc382972996bbaccb348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521f571662b7df95c913b5d114ab2327.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ca6dbfe1c5d521be5116c37d59d714.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2dcc8afef724f28f59dbd107f98556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e738bce4fa92616b5be79e7c605d8547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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【推荐2】关于函数
有如下说法:
①函数的最小正周期是
;
②函数解析式可改为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46352fc944bc95e3f154195a0886c0b.png)
③函数图象关于
对称,
④函数图象可以由
向左平移
个单位得到.
其中正确的是__________ (填正确的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42c6281212a06b20011958187060337.png)
①函数的最小正周期是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
②函数解析式可改为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46352fc944bc95e3f154195a0886c0b.png)
③函数图象关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b110d9d96518e8f6a170f1f38077a316.png)
④函数图象可以由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c191fdfd08fb94ba6ed45c71f0fbeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
其中正确的是
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【推荐1】如图是函数
的图象上的一段,则
=_________
=____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a59567b14322de5d0ff7ec1d8b3fc9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/4f9227a1-21f0-464c-8d1d-76c5a3a7dc59.png?resizew=179)
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【推荐1】以下列结论:
①
中,若
,则
;
②若
,则
与
的夹角为钝角;
③将函数
的图象向左平移
个单位长度后得到函数的图象关于
轴对称;
④函数
在
.上的值域为
,
.
则上述结论正确的是__ .(填相应结论对应的序号)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8139fb7861111f2a99f559d72f829e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
③将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c191fdfd08fb94ba6ed45c71f0fbeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273cc6253f6aa8107f64f37132629892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d19eb6cf90ff20611e1813684d45c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17fff6cad52af74309c2d811fa5e508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45340678c2ec1bc8cd68c0a3a2ab8902.png)
则上述结论正确的是
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【推荐2】将函数
的图象向左平移
个单位长度后,得到函数
的图象,若函数
在区间
上是单调递减函数,则实数
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b33fff0def2be3a5ac4a46904173f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次