SOLUTION: Please help need to find the inverse of f(x) = 1/2 * (sqrt x-2) +3

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Question 1022709: Please help need to find the inverse of f(x) = 1/2 * (sqrt x-2) +3
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
y = 1/2 * sqrt(x-2) + 3
y - 3 = 1/2 * sqrt(x - 2)
2(y - 3) = sqrt(x - 2)
4(y - 3)^2 = x - 2
4(y - 3)^2 + 2 = x

f^(-1)(x) = 4(x - 3)^2 + 2