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Find the inverse of the function f(x) = (x - 4) 2 - 5 if x ≥ 4.

User IoctlLR
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same here, we do a quick switcharoo on the variables first,


\bf \stackrel{f(x)}{y}=(x-4)^2-5\qquad inverse\implies \boxed{x}=\left( \boxed{y}-4 \right)^2-5 \\\\\\ x+5=(y-4)^2\implies \pm√(x+5)=y-4\implies \pm√(x+5)+4=y
User Podosta
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