1 . 对于三次函数
,给出定义:设
是
的导数,
是
的导数,若方程
有实数解
,则称点
为曲线
的“拐点”,可以发现,任何一个三次函数都有“拐点”.设函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109051a2ef0a7b0a0d0f7bd67b11c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda69de2eac2276d02fbd8eb3df5b91.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012429b7101ba0f84e7b45598ed12db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5241746e4c300cc6ce6f67ef25b71e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4a5292f6af433342a866336d05fe5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8eac895ec77edd734cdd69c92f938ee.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/71c83a3c0ccb88a1b33a65fd28555b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109051a2ef0a7b0a0d0f7bd67b11c86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bda69de2eac2276d02fbd8eb3df5b91.png)
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2023-05-03更新
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6卷引用:新疆乌鲁木齐市等5地2023届高三高考第二次适应性检测数学(理)试题