解题方法
1 . 函数
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b5d2ce08b943d290a34d039f102e1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf33825e0a1dc5771dadf00d3a16e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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解题方法
2 . 已知函数在
上是奇函数,当
时,
,则
您最近一年使用:0次
2024-03-21更新
|
818次组卷
|
2卷引用:北京市顺义区2024届高三上学期第一次统练数学试题
解题方法
3 . 若函数
有最小值,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0662960ce3047e33fe7bf2ffd35b5b66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 某地区上年度电价为0.8元
,年用电量为
,本年度计划将电价下降到
之间,而用户期望电价为
.经测算下调电价后的新增用电量,和实际电价与用户的期望电价的差成反比(比例系数为
).该地区的电力成本价为
.已知
,为保证电力部门的收益比上年至少增长
,则最低的电价可定为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2472b568635ece209ceca8a364dcee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18faf3c8c90bed9d7e05185700649945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7f923d9917d21abe6d927aa236ea8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6eff8dca8aafa1e9fc1ff3399760a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a938e812e061ef959d4124a1aa161540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f04297a04eaa4bdd15b705f3c405a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9fd62e62750b30638385031737f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8418b4c9a43352b8fb34a05266ee21ff.png)
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解题方法
5 . 已知定义域为R的函数
满足:
,且函数
为奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e23be533429387772591dc5124455e8.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73d9aa53e2d496bb14e106d82289940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e23be533429387772591dc5124455e8.png)
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解题方法
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8decad544aeec61eab970374fd0b4239.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0df36453feddb9802ccc366487255c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8decad544aeec61eab970374fd0b4239.png)
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7 . 已知函数
,且
,若函数
有三个不同的零点,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2588d79c793fc8a568fb3f08fcf4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
8 . 已知函数
若
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045b70594707b3e6ae5b478c31ab17c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9026375cad23394a11b563177b6f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
9 . 集合
,若A中元素至多有1个,则a的取值范围是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de0371b58ca7f3bf0a21440c656894c.png)
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2024-02-20更新
|
853次组卷
|
2卷引用:江苏省南通市如皋市2024届高三上学期1月诊断测试数学试题
解题方法
10 . 已知
为定义在
上的奇函数,当
时,
且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52c4f021afba525669b7056035c7230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c93d47a5cef196216bc5d5a4c692a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次