配套习题-对数函数及其性质 -【青果学院】

本课配套习题挑战模式1/3

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单选题

难度系数：

1.下列函数是对数函数的是（）

A:

B:

C:

D:

提示1：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
答案：Qg==
6Kej5p6Q77ya5a+55pWw5Ye95pWw55qE6Kej5p6Q5byP5LitPGltZyB3aWR0aD01OSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8wNS8zMS9yQkFDRkZRYjdPdmpDMmY2QUFBQ0dING9LUE00OTUucG5nIj4sPGltZyB3aWR0aD04NSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdPdmo1SkpqQUFBQ0lLb0FFN280NjcucG5nIj4s55yf5pWw6YOo5YiG5piv5Y2V54us55qEPGltZyB3aWR0aD03IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzA1LzMxL3JCQUNGRlFiN092akJyY21BQUFCRzJ6aXpJUTAwMi5wbmciPix45YmN6Z2i55qE57O75pWw5pivMe+8geWPquaciULpgInpobnmmK/mraPnoa7nmoTvvIE=

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单选题

难度系数：

2.函数

所经过的定点是（）

A:

B:

C:

D:

提示1：5a+55pWw5Ye95pWwPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQV2pDVm1fQUFBQ0ZTRG5nU1UxOTgucG5nIj7vvIzmiYDnu4/ov4fnmoTlrprngrnmmK/vvIgxLDDvvInvvIzmiYDku6U8aW1nIHdpZHRoPTgzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzE1LzNGL3JCQUNFMVFiN1BURGhRR1hBQUFDVW5ZWTFEazEwMS5wbmciPuaJgOe7j+i/h+eahOWumueCueaYr++8iDHvvIwy77yJ
答案：QQ==
6Kej5p6Q77ya5a+55pWw5Ye95pWwPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQV2pDVm1fQUFBQ0ZTRG5nU1UxOTgucG5nIj7vvIzmiYDnu4/ov4fnmoTlrprngrnmmK/vvIgxLDDvvInvvIw8YnI+5omA5LulPGltZyB3aWR0aD04MyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQVERoUUdYQUFBQ1VuWVkxRGsxMDEucG5nIj7miYDnu4/ov4fnmoTlrprngrnmmK/vvIgx77yMMu+8iQ==

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单选题

难度系数：

3.函数

的定义域是（）

A: (-3,+

B: (0,+

C: (-

D: (0,+

提示1：IOWvueaVsOWHveaVsDxpbWcgd2lkdGg9NTggaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMTUvM0YvckJBQ0UxUWI3UFdqQ1ZtX0FBQUNGU0RuZ1NVMTk4LnBuZyI+55qE55yf5pWw6KaB5aSn5LqOMO+8jOaJgOS7pXgrM+aVtOS9k+Wkp+S6jjDvvIzmiYDku6V45aSn5LqOLTPvvIE=
答案：QQ==
6Kej5p6Q77ya5a+55pWw5Ye95pWwPGltZyB3aWR0aD01OCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNS8zRi9yQkFDRTFRYjdQV2pDVm1fQUFBQ0ZTRG5nU1UxOTgucG5nIj7nmoTnnJ/mlbDopoHlpKfkuo4w77yM5omA5LuleCsz5pW05L2T5aSn5LqOMO+8jOaJgOS7pXjlpKfkuo4tM++8gQ==