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Which function has an inverse function?

A.f(x)= |x+3|/5

B. f(x)= x^5-3

C. f(x)= x^4/7+27

D. f(x)= 1/x²

User LJG
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1 Answer

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The answer is A).  f(x)=|x+3|/5
User PeterMacko
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