1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b814300ecf459798d3adf261af6cfad.png)
,函数![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/be3ba08934194b51a03d54cf7e495e51.png?resizew=184)
⑴当
时,求函数
的表达式;
⑵若
,函数
在
上的最小值是2 ,求
的值;
⑶在⑵的条件下,求直线![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/7928ff8580194d6482dbc93c5b4347f5.png?resizew=76)
与函数
的图象所围成图形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b814300ecf459798d3adf261af6cfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84d2d47ec8180bb018c4d6b8026f15f.png)
![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/be3ba08934194b51a03d54cf7e495e51.png?resizew=184)
⑴当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98bd6207495bdd874e71594c0c09763.png)
⑵若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98bd6207495bdd874e71594c0c09763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f796b9208649b27fcb2285807f331c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
⑶在⑵的条件下,求直线
![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/7928ff8580194d6482dbc93c5b4347f5.png?resizew=76)
![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/08c257230ece4eca93f55ce59b651ae3.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2012/5/24/1570867041058816/1570867046621184/STEM/57f10d3a46e84167879ee2869404d4b7.png?resizew=60)
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2019-01-30更新
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5卷引用:山西省孝义市2019-2020学年高二下学期3月阶段性考试数学(理)试题
山西省孝义市2019-2020学年高二下学期3月阶段性考试数学(理)试题(已下线)2012届海南省洋浦中学高三第六次月考理科数学试卷(已下线)2011—2012学年重庆市西南大学附中高二下期中理科数学试卷2017-2018学年人教A版高中数学选修2-2 综合质量评估河南省开封市通许县实验中学2017-2018学年高二下学期期末考试数学(理)试题