已知函数
的图象关于
对称,记函数
的所有极值点之和与积分别为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4419188da4bde2827a33e07bf2c1eb23.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d887187e0e6c710ffd279232872389b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4419188da4bde2827a33e07bf2c1eb23.png)
2020·江西·二模 查看更多[2]
更新时间:2020-03-09 22:07:16
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【推荐1】若平面直角坐标系内两点P,Q满足条件:①P,Q都在函数f(x)的图象上;②P,Q关于原点对称,则称点对(P,Q)是函数f(x)的图象上的一个“友好点对”(点对(P,Q)与点对(Q,P)看作同一个“友好点对”).已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4487034965994589e4b70587b364f1.png)
,若此函数的“友好点对”有且只有一对,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4487034965994589e4b70587b364f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9785109455cbf8cbb673151ec78e88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
【推荐2】下列命题中正确命题的序号为___________
①函数
与直线x=l的交点个数为0或l;
②![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/21361760704748ffb1e4dac785797436.png?resizew=13)
,+∞)时,函数
的值域为R;
③R上奇函数
满足
,
<
时,
,则
;
④与函数
关于点(1,-1)对称的函数为
.
①函数
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/6b8b4699af0b45e7b95416b55772d6af.png?resizew=61)
②
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/21361760704748ffb1e4dac785797436.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/620c6863d3c94c0f9b7825d03cd5b914.png?resizew=33)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/d22c1ca84fb74989a7acdc4559efaebf.png?resizew=119)
③R上奇函数
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/844ca40ed4544f3a8b84335d881ef251.png?resizew=34)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/1d5fead9790646a9b3308afee32074f8.png?resizew=102)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/334394e210ac4276b4febad1ae780544.png?resizew=11)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/9e7c820a26134127b5ca13a0434de221.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/10ebf05cf8f7421184e914f9ead1ca60.png?resizew=66)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/a2c7e20aaa7e4a138d5dcab55d231aed.png?resizew=91)
④与函数
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/e5f37bcc95584199a096b7bcd3b14ec8.png?resizew=82)
![](https://img.xkw.com/dksih/QBM/2015/12/3/1572340280983552/1572340286595072/STEM/3bb023c9d3c5497ea00dd602cc9c8df8.png?resizew=90)
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【推荐1】设函数
,若
是函数
是极大值点,则函数
的极小值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf5eefcd58d63f589b0133c287a0950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知实数
成等比数列,对于函数
,当
时取到极大值
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd0477d4f016241c857b3c4e4b8bf69.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d10449bc77d692a7270e0f20a68cdf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a72029d2a0763cce946eeca632a6c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b334dafda377c3db77647c8cf1e95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd0477d4f016241c857b3c4e4b8bf69.png)
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