1/5单选题
难度：
1.若函数
的导函数
，则函数
的单调减区间是（ ）
的导函数，则函数的单调减区间是（ ） | A | （0,1） |
| B | （0,2） |
| C | （0,3） |
| D | （0,4） |
- 提示1：
- IOaIkeS7rOWFiOaxguWHuuWHveaVsDxpbWcgd2lkdGg9MzUgaGVpZ2h0PTIzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvN0YvckJBQ0UxTkh1Wm5Ub2FtaEFBQUNLeGJYODVBNjI0LnBuZyI+55qE5Y2V6LCD5Yy66Ze077yM5LukPGltZyB3aWR0aD0xNDggaGVpZ2h0PTI3IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQjEvMTgvckJBQ0ZGTkh1WnJTQ2tSMkFBQUQ3MlhjM0Y4NzM2LnBuZyI+77yM6Kej5b6XPGltZyB3aWR0aD01OCBoZWlnaHQ9MTkgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9EMC83Ri9yQkFDRTFOSHVacVJGOTkwQUFBQ0FpMERsb2c0MTUucG5nIj4=
- 提示2：
- 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
正确答案：Qg==
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
2/5单选题
难度：
2.已知函数
的单调递减区间是
，则实数
（）
的单调递减区间是，则实数（） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- IOWFiOaxguWvvOaVsO+8jDxpbWcgd2lkdGg9MTMxIGhlaWdodD0yNCBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IxLzFCL3JCQUNGRk5IdWItQm9WT3VBQUFEb2ctRVFSazAxMC5wbmciPu+8jOWIpOaWreefpTxpbWcgd2lkdGg9MTA4IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0QwLzgxL3JCQUNFMU5IdWItUmhaMFJBQUFESUVod2l5RTE3Mi5wbmciPu+8jOW+lzxpbWcgd2lkdGg9MTA4IGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0QwLzgyL3JCQUNFMU5IdWItUWxRcjRBQUFDM1hlTnFOMDYyNC5wbmciPg==
- 提示2：
- IOWHveaVsDxpbWcgd2lkdGg9MTQ1IGhlaWdodD00MSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0QwLzgxL3JCQUNFMU5IdWI3QXNSMk9BQUFFYkhrazVWazI3NC5wbmciPueahOWNleiwg+mAkuWHj+WMuumXtOaYrzxpbWcgd2lkdGg9MzUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvODEvckJBQ0UxTkh1Yjd3R3VtTUFBQUIyRjZ4ajZrNDQxLnBuZyI+77yM5YiZPGltZyB3aWR0aD0xNTUgaGVpZ2h0PTI0IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQjEvMUIvckJBQ0ZGTkh1Y0NEbTVHSkFBQUQ2Q3lGMkNjOTcxLnBuZyI+55qE5qC55Li6MuWSjDM=
正确答案：QQ==
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
3/5单选题
难度：
3.已知函数
在区间
上是增函数，则实数
的取值范围是（ ）
在区间上是增函数，则实数的取值范围是（ ） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 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
- 提示2：
- IDxpbWcgd2lkdGg9MTY4IGhlaWdodD02OSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0IxLzFDL3JCQUNGRk5IdWRUenlPWVdBQUFHT20tOGViMDM3Ny5wbmciPu+8jOino+W+lzxpbWcgd2lkdGg9MzcgaGVpZ2h0PTE5IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQjEvMUMvckJBQ0ZGTkh1ZFRneHNCcUFBQUJ2aTlSTTRZMTk3LnBuZyI+77yM
正确答案：RA==
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
4/5单选题
难度：
4.已知函数
，若函数
在
上是增函数，实数
的取值范围是（ ）
，若函数在上是增函数，实数的取值范围是（ ） | A |  |
| B | （ |
| C |  |
| D | [ |
- 提示1：
- IOWHveaVsOWcqDxpbWcgd2lkdGg9NDkgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvODUvckJBQ0UxTkh1ZXVCRlJiWUFBQUNTekpwRWZRNTYxLnBuZyI+5LiK5piv5aKe5Ye95pWw77yM5YiZ5YW25a+85pWw5ZyoPGltZyB3aWR0aD00OSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9EMC84NS9yQkFDRTFOSHVldUJGUmJZQUFBQ1N6SnBFZlE1NjEucG5nIj7kuIrlpKfkuo7nrYnkuo4w5oGS5oiQ56uL44CC
- 提示2：
- 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
正确答案：QQ==
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
5/5单选题
难度：
5.已知函数
.若函数在
上单调递增，则实数的取值范围是（）
.若函数在上单调递增，则实数的取值范围是（） | A | [ |
| B |  |
| C |  |
| D |  |
- 提示1：
- 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
- 提示2：
- IDxpbWcgd2lkdGg9MTQ5IGhlaWdodD00MSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IxLzIxL3JCQUNGRk5IdWZ2eUpHZWVBQUFFZFVVZ0ZKYzcxMC5wbmciPu+8jOKItDxpbWcgd2lkdGg9NzIgaGVpZ2h0PTQxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRDAvODcvckJBQ0UxTkh1ZnpnMnBQR0FBQUN1ajZPT05nNDE5LnBuZyI+5ZyoPGltZyB3aWR0aD00NCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9EMC84Ny9yQkFDRTFOSHVmdmg0YVMyQUFBQ0hBV0haTFU1NjQucG5nIj7kuIrmgZLmiJDnq4s=
- 提示3：
- IOS7pDxpbWcgd2lkdGg9MTYxIGhlaWdodD00MSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0QwLzg3L3JCQUNFMU5IdWZ5UTlSWExBQUFFeHgwZVVtQTgwOC5wbmciPuWImTxpbWcgd2lkdGg9MTMyIGhlaWdodD00MSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IxLzIxL3JCQUNGRk5IdWZ6aXZVR1RBQUFELUdZMlk2QTAxOC5wbmciPuaBkuaIkOeriw==
正确答案：QQ==
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