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题目内容
（甘肃开放大学高等数学）
下列函数中为幂函数的是（ ）．
<img src="data:image/png;base64,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" >
单选题 (5 分) 5分
A.
y=x+1
B.
C.
D.
<img src="data:image/png;base64,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" >
单选题 (5 分) 5分
A.
y=x+1
B.
C.
D.
参考答案