配套习题- 对数函数及其性质 -【青果学院】

1/3单选题

难度：

1.下列函数是对数函数的是（）

A
B
C
D

正确答案：Qg==

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

2/3单选题

难度：

2.函数

所经过的定点是（）

A
B
C
D

正确答案：QQ==

6Kej5p6Q77ya5a+55pWw5Ye95pWwPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQV2pDVm1fQUFBQ0ZTRG5nU1UxOTgucG5nIj7vvIzmiYDnu4/ov4fnmoTlrprngrnmmK/vvIgxLDDvvInvvIw8YnI+5omA5LulPGltZyB3aWR0aD04MyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQVERoUUdYQUFBQ1VuWVkxRGsxMDEucG5nIj7miYDnu4/ov4fnmoTlrprngrnmmK/vvIgx77yMMu+8iQ==

3/3单选题

难度：

3.函数

的定义域是（）

A	(-3,+
B	(0,+
C	(-
D	(0,+

正确答案：QQ==

6Kej5p6Q77ya5a+55pWw5Ye95pWwPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQV2pDVm1fQUFBQ0ZTRG5nU1UxOTgucG5nIj7nmoTnnJ/mlbDopoHlpKfkuo4w77yM5omA5LuleCsz5pW05L2T5aSn5LqOMO+8jOaJgOS7pXjlpKfkuo4tM++8gQ==