1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8119c6444d28fe53d11eb863625ea65c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181c15b184943988c7aa0efd07a5191c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8119c6444d28fe53d11eb863625ea65c.png)
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2021-12-29更新
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3卷引用:重庆市名校联盟2021-2022学年高一上学期第二次联考数学试题
2 . 已知扇形AOB的面积为
,圆心角为
,则该扇形所在圆的半径为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b199d124fb9a5bc8438c9884f04534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
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2021-12-28更新
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3卷引用:重庆市求精中学2021-2022学年高一上学期第二次月考数学试题
重庆市求精中学2021-2022学年高一上学期第二次月考数学试题(已下线)5.1任意角和弧度制--2021--2022高一上学期数学新教材配套提升训练(人教A版2019必修第一册)浙江省杭州第十四中学2021-2022学年高一上学期期末数学试题
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解题方法
3 . 设函数
为偶函数,且当
时,
,又函数
,则函数
在
上的零点的个数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2863bcf45aefdb8c78f86ad3f03f425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c9078e65bed3d643ca2bfb3e80e758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f326a5bebacb4e613f6cee7864de1a89.png)
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2卷引用:四川外语学院重庆第二外国语学校2021-2022学年高一上学期第二次质量检测数学试题
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4 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1546d28b66b3ad371fbcda72187bd46.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1546d28b66b3ad371fbcda72187bd46.png)
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5 . 已知函数
在区间
上单调递增,则实数
取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e6ae8e69af3a912558c52f577a1b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107b9d3da7a4d5c67d41e910b4d5a9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-12-27更新
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2卷引用:重庆市缙云教育联盟2021-2022学年高一上学期12月月考数学试题
6 . 已知
是奇函数,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2b53cd9892f6d174509740afbc69d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
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7 . 已知锐角
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3397da9974613f3c4f9466643eebd4.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d299cadb729d09e6b94511113a4a8ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3397da9974613f3c4f9466643eebd4.png)
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8 . 已知
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c7ef456ec817bf38f1c94e6f10951a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3651d464664d6bf1053999594693cb88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c7ef456ec817bf38f1c94e6f10951a.png)
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9 . 如图,开始时桶
中有
升水,
分钟后剩余的水量符合指数衰减函数
(其中
,
为常数),此时桶
中的水量就是
.假设过5分钟后桶
和桶
中的水量相等,则再过______ 分钟,桶
中只有水
升.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba2ec70e87bc0804df5a2572964a7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30683e3c1b02048b11b66eb1495e4c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf47bf2137f8c498116a426839cc198.png)
![](https://img.xkw.com/dksih/QBM/2021/12/18/2875253167669248/2876680333082624/STEM/3a983f42-0fb1-43f5-ac4d-cc9752b6974b.png?resizew=291)
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2卷引用:重庆南开中学2021-2022学年高一上学期12月月考数学试题
2021高一·江苏·专题练习
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10 . 幂函数f(x)=(m2-m-1)x2m-3在(0,+∞)上是减函数,则实数m=________ .
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