SOLUTION: Given the function f(x)=x^2-5, where x is greater than or equal to 0 find the inverse and its domains
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Question 1026642: Given the function f(x)=x^2-5, where x is greater than or equal to 0 find the inverse and its domains
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\ =\ x^2\ -\ 5)
Substitute 
for )
Solve for 
in terms of
But is constrained to 
so:
Swap positions of the variables:
Replace with )
\ =\ \sqrt{x\ +\ 5})
\right\]\ =\ \left\{x\ \in\ \mathbb{R}\ |\ x\ \geq\ -5\right\})
\right\]\ =\ \left\{x\ \in\ \mathbb{R}\right\})
John
My calculator said it, I believe it, that settles it
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