双“11”期间,某商场为了激励销售人员的积极性,决定根据业务员的销售额发放奖金(奖金和销售额的单位都为万元),奖金发放方案要同时具备下列两个条件:①奖金
随销售额![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
的增加而增加;②奖金金额不低于销售额的
.经测算该企业决定采用函数模型![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e513fb24cd02d03a45fe5deb7bb01d9.png)
作为奖金发放方案.
(1)若
,
,此奖金发放方案是否满足条件?并说明理由.
(2)若
,要使奖金发放方案满足条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96cf8f008605fc147e0f39ebe1f64f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca83504e351d7516f61a3052d7a31859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e513fb24cd02d03a45fe5deb7bb01d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ac536dc56e720243eca2f623a6b3c8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9042664388b3266ac2c661ab2d6af87a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99719a4e7cf7681c95e635d78800d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
更新时间:2022-11-29 15:03:27
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解答题-问答题
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解题方法
【推荐1】在①
,
,②存在集合
,非空集合
,使得
,这两个条件中任选一个,补充在下面问题中,并求解问题中的实数
的范围.
问题:求解实数
的范围,使得命题
:
,
,命题
:__________有且只有一个真命题.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec37ac177bcc907225053c37b8e5dbe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a8f5b169d49929b86a3cf091410d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14da2f3da3a952aacb0de8b4dc24dd0.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
问题:求解实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17f477dd06f836c070ffbd8908a3201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47dbb694e96dbd7221ac9499ddeb5d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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【推荐2】已知函数
.
(1)求不等式
的解集;
(2)若不等式
的解集包含
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b104cb77c805c9f68c7b713a83d321.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab989f85a681b41c29465d4be74b789f.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356ea7da5275a44f916a707c7f905caf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
【推荐1】已知函数
是
上的偶函数
(1)求实数
的值,判断函数
在
,
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(2)求函数
在
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上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0af8d972b46ca7f88676df346e796b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17fff6cad52af74309c2d811fa5e508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7ddb5245cbaa046b6e554dcb540a88.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e769253580c681894be8ea2692183947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45340678c2ec1bc8cd68c0a3a2ab8902.png)
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【推荐2】已知
,且
,函数
,
在
上是单调减函数,且满足下列三个条件中的两个:①函数
为奇函数;②
;③
.
(1)从中选择的两个条件的序号为_______,依所选择的条件求得
______,
_______(不需要过程,直接将结果写在答题卡上即可)
(2)在(1)的情况下,若方程
在
上有且只有一个实根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7d388df8a41777cbc3755fbd80efd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7926703c19e89a7438753101df731738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e88c844860c1d1eaeb80660679ca928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a1e4572e907ff8abb63b998d6d5c1e.png)
(1)从中选择的两个条件的序号为_______,依所选择的条件求得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
(2)在(1)的情况下,若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6735e3aa27d0ba04ec310fb4bfd9ceb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
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