SOLUTION: Find f ^–1(x) f(x)=x^2+2 for x ≥ 0

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Question 682467: Find f ^–1(x)
f(x)=x^2+2 for x ≥ 0
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
y = x%5E2%2B2
...
y-2+=+x%5E2
...
sqrt%28y-2%29+=+sqrt%28x%5E2%29
...
x = sqrt%28y-2%29
...
f%5E-1%28x%29+=+sqrt%28x-2%29
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