解题方法
1 . 若幂函数
的图象经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff82fccbaa3784b491d8484a57468de.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89813b958012156f03283a0a01643c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76806f6d863869204078084f51830cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff82fccbaa3784b491d8484a57468de.png)
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解题方法
2 . 假设在某种细菌培养过程中,正常细菌每小时分裂1次(1个正常细菌分裂成2个正常细菌和1个非正常细菌),非正常细菌每小时分裂1次(1个非正常细菌分裂成2个非正常细菌).若1个正常细菌经过14小时的培养,则可分裂成的细菌的个数为______ .
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4卷引用:2024届青海省西宁市大通县高考四模数学(理)试卷
3 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59efa0186d6ffe7243580ef6658a514.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121e0b632466903f92ef368ab67f808c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c12920184934e590fca6d91382cdb5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59efa0186d6ffe7243580ef6658a514.png)
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4 . 在正项等比数列
中,
,
是
的两个根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb7d4db5d7994156d24c4d05cc04232.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e35eeaabd951fb09b2926807da3685b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e5562c409c242b957d45d897d5beb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb7d4db5d7994156d24c4d05cc04232.png)
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5 . 若曲线
在点
处的切线与直线
垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2972e757755fc00e1fa8ab39b588c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e38706bbc34765574a7f23770c6fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ffdd1472aab2f7d1c01f4104bd3eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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解题方法
6 . 某厂计划建造一个容积为
,深为
的长方体无盖水池.若池底的造价为
元每平方米,池壁的造价为
元每平方米,则这个水池的最低造价为______ 元.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edc5717c841dd4af6209a340c943785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd121f4aeca8a78a320fca1fd1c4d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
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解题方法
7 . 已知函数
是定义在
上的偶函数,且满足
,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0234d9d58fc3a68bcfdd70fc0288a14.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a294ac176a455e749d73aedb6eb7f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54297d09c19f29d92463d21928998266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99c7e5df11158428aa1b8b28d96104c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0234d9d58fc3a68bcfdd70fc0288a14.png)
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2024-05-25更新
|
473次组卷
|
2卷引用:2024届青海省西宁市大通县高考四模数学(理)试卷
名校
解题方法
8 . 将函数
的图象上所有点的横坐标伸长到原来的3倍,纵坐标不变,得到函数
的图象,则
的最小正周期为______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce141d3615b29989ddda81ff7d680647.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28139116f0a173e5d42f587653b1c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce141d3615b29989ddda81ff7d680647.png)
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2024-05-25更新
|
275次组卷
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3卷引用:2024届青海省西宁市大通县高考四模数学(理)试卷
解题方法
9 . 已知向量
,
满足
,且
,则向量
,
夹角的余弦值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2da5b4b2bd4ffbf06d227262a95031c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e55eab01bc989f835c14c8baa164b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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2024-05-22更新
|
751次组卷
|
2卷引用:2024届青海省西宁市大通县高考四模数学(理)试卷
解题方法
10 . 已知向量
的夹角的余弦值为
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6fce004c47849c29ebd8d5d7c16e98.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e901824bfd5e2d3a7af24c83b27d2bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6fce004c47849c29ebd8d5d7c16e98.png)
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2024-05-21更新
|
491次组卷
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2卷引用:2024届青海省西宁市大通县高考四模数学(文)试卷