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anonymous
 5 years ago
find the inverse of f(x)=√(x2)+5. what is the domain of f^1
anonymous
 5 years ago
find the inverse of f(x)=√(x2)+5. what is the domain of f^1

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Did you find the inverse?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The easiest way is to realize that \(f(f^{1}(x)) = x\) So plugging in \(f^{1}(x)\) to the function gives \(x= \sqrt{f^{1}(x) 2} + 5\) Then solve for \(f^{1}(x)\)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Move the 5 to the other side, and square both sides to get rid of the square root.
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