19-20高一·浙江杭州·期末
1 . 已知函数
,则不等式
的解是_____ ;不等式
的解是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fdacda170cfc08d27601bfad9a358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37aaa2f3bd10ce9502c416ecc5fd9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da599c4c817e43d38b4bfc4a1eef8790.png)
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解题方法
2 . 已知函数
,则不等式
的解是__________ ;不等式
的解是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7fdacda170cfc08d27601bfad9a358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78a20df261766cb81746f85d87746f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7084211fdff7977a939d0aebe6e131.png)
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3 . 几位大学生响应国家的创业号召,开发了一款面向中学生的应用软件.为激发大家学习数学的兴趣,他们推出了“解数学题获取软件激活码”的活动。这款软件的激活码为下面数学题的答案:记集合
.例如:
,若将集合
的各个元素之和设为该软件的激活码,则该激活码应为____________ ;
定义
现指定
,将集合
的元素从小到大排列组成数列
,若将
的各项之和设为该软件的激活码,则该激活码应为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06a2dd9a3d972b598d69d7ba9cb692c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7dd783e76b7227e49f1089617e105ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
定义
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3fbabe32001806ba43d7d55f4e9b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e2fed5a0431d09b425fce5ab11acb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81d27ba60815c657bb6fd828f5307f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
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2019·浙江绍兴·模拟预测
名校
解题方法
4 . 已知函数
为偶函数则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ ;关于
的不等式
的解为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a8a7206820977612b94370356a0f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
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2019高一·浙江·专题练习
5 . 已知函数
,那么
的值为______ ,不等式
的解是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57891fc3390dad17c671822f7b72263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff1ca955e03dc13e97f8efb848edcdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9518d59e737e3ac698165c5ec17ba636.png)
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14-15高一上·江苏淮安·单元测试
6 . 已知不等式
的解是
,则
=________ ,
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2880c261c26fa0f0cb66d11a966c515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518ab466bba23578adc6a71a0b0f3d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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7 . 对于三次函数
,给出定义:
是函数
的导函数,
是
的导函数,若方程
有实数解
,则称点
为函数
的“拐点”.某同学经研究发现:任何一个三次函数都有“拐点”;任何一个三次函数都有对称中心,且拐点就是对称中心.若
,请你根据这一发现,求:(1)函数
的对称中心为__________ ;(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dae2f8d466ecd9004f50f01c2aad8.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012429b7101ba0f84e7b45598ed12db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1fa6ca9eb7cea9131dad36db6a0ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f087ded8039eedaa8aa724b81ec393e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f087ded8039eedaa8aa724b81ec393e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dae2f8d466ecd9004f50f01c2aad8.png)
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