Restrict the domain to x≥4 and find the inverse of f(x)=2(x-4)^2+2

[From: ] [author: ] [Date: 12-04-23] [Hit: ]

Switch x and y,
x = 2(y-4)^2 + 2
Solve for y,
y = sqrt[(x-2)/2] + 4
Answer: f^-1(x) = sqrt[(x-2)/2] + 4

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