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# Let $f(x)=\sqrt{x-5}$ (A) Why Does $f$ Have an Inverse That Is a Function? (B) Find a Is

Question 44
Essay
Question 44
Essay

## Let $f(x)=\sqrt{x-5}$(a) Why does $f$ have an inverse that is a function?(b) Find a rule for $f^{-1}(x)$

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