If f is a fraction between -1 and 1, which of the following must be true?【小站备考】

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Question 9 Select one or more answer choices

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If f is a fraction between -1 and 1, which of the following must be true?

A.fff\(f^7

B.fff\(f^6−f^7

C.fff\(f^6+f^7

D.fff\((−f)^3

E.fff\(f^6

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