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[Problem Solving]

试题详情

题目:

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?

选项:

A、√(u+10)
B、(√u + 10)2
C、√(u2+10)
D、(u + 10)2
E、(u2 + 10)2

答案:

D

提问:

MATH

解答:

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阅读582
解答: sysadmin

提问:

MATH

解答:

点赞0
阅读583
解答: sysadmin老师

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