将函数
的图象向右平移
个单位长度,得到的函数
的图象关于点
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
______ ;若
在区间
上单调递减,则实数
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a472e915b04ad295d5833857d4c81d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1579686108b7c76b17a37e1a8bf23b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ed871ebc1f5a1e5b90ad9dbbed0541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9f1a09559a245f180706bd10ab604c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2021-07-25 22:16:42
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名校
【推荐2】已知函数
在
上单调递增,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f056a55baa14b367e51a55adf4b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0e31f3f9ffc88475feed5ecdc429ee.png)
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解题方法
【推荐3】已知函数
,
,则满足
的
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0650f72b6b77cca20c985202a0f07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998d1117b68d345ad988e86d1ec7724b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532bf80f8e0fd4e23bec247326dcb4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
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【推荐1】下面有四个命题:
①设一扇形的半径为
,面积为
,则这个扇形的圆心角的弧度数是
;
②设等边三角形
的边长为
,则向量
在向量
上的投影为
;
③若
,则
;
④设函数
图象的一条对称轴为直线
,则实数
的值为
.
所有正确命题的序号是_________ .(把你认为正确命题的序号都填上)
①设一扇形的半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2713679aa5f12e1d89d3a3d98b65212e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4467285b89285600704d469bf30bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
②设等边三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d792a2aa25763e14cc2863be3887000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22b4929932fe9ccb2c51e5824d07f04.png)
④设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0aa6d3526ce93db7107f748e925c4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
所有正确命题的序号是
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填空题-单空题
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【推荐2】已知函数
的图象关于直线
对称,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a516f710477d78883a2581a796212d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24db7b603aebdee8e298d1fe49c848e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
您最近一年使用:0次