名校
1 . 已知函数
.若
时,函数
恰有两个不同的零点,则
的值为__________ ,若
时,
的解集为
,且
中有且仅有一个整数,则实数b的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278ae2c411fce49b3230964fa0ab6908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724615ca6ac4e55fc5d791eeae43aa64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
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2020-12-18更新
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2卷引用:天津市滨海新区塘沽一中2020-2021学年高三上学期第一次月考数学试题