解题方法
1 . 一次函数
且
.
(1)求
的值;
(2)证明
在
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bbb3ee8cbda4683519394627f23e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e5e69fb32ec266ef16839f55e339c5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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名校
2 . 已知一次函数
的图象经过
,
两点,并且交
轴于点
,交
轴于点
.
(1)求
的值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b938dafebe690ebd1109160f18046738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f8e0fdf5d5f29d739f3291fc809a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220d7a4ee2773ad217254f5f844134e8.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9613d821ae29205c4694c853ca82be.png)
您最近一年使用:0次
2020-09-27更新
|
113次组卷
|
2卷引用:四川省绵阳南山中学2020-2021学年高一上学期开学考试数学试题
3 . 已知函数
及实数
、
,若
,
,则一切
都有
.
(1)利用以上命题,若对于
,不等式
恒成立,求实数
的取值范围;
(2)利用以上命题,若
、
、
且
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb50d14fdee0b5f6f636f8c80893b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3192408b02b2a18368624389f35b0d19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceaff1c2f222f8785947f5266e20c3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77b1c3485be1304688c123266ea7fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a56806c9bf7927769af420fdabe96cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)利用以上命题,若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044281d811019fbf75f52e47dff7ba99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c77877ec9b032507ad961da304f2c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)利用以上命题,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c55c9f1a79c0594ee6ade90d9718aeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4b5d261044c6f58deba8de7c0e1e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c535a080f846b357fc1c5115140c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a06a1d9af5be3f7fd59d9d5562a07ce.png)
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