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Lelechka [254]
3 years ago
7

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

Mathematics
1 answer:
Serggg [28]3 years ago
6 0
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\sqrt{x+5}=y-4\implies \pm\sqrt{x+5}+4=y
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