标题:
GWD3-18
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作者:
yuyanhan
时间:
2005-5-28 13:49
标题:
GWD3-18
Q18: The function f is defined by f(x) = √x – 10 for all positive numbers x. If u = f(t) for some positive numbers t and u. What is t in terms of u?
A. √(u+10)
B. (√u + 10)2
C. √(u2+10)
D. (u + 10)2
E. (u2 + 10)2 答案是D,不明白哎
作者:
yuyanhan
时间:
2005-5-29 12:13
对啊,天啊,我是越做越傻了,呵呵
作者:
Duke2007
时间:
2005-5-29 23:46
呵呵,考试时候不犯晕,就OK了
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