SOLUTION: find the inverse. f(x)=sqrt(x-7)

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Question 387787: find the inverse.
f(x)=sqrt(x-7)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=sqrt%28x-7%29
Interchange x and y and solve for y.
x=sqrt%28y-7%29
x%5E2=y-7
y=x%5E2%2B7
highlight%28f%5E%28-1%29%28x%29=x%5E2%2B7%29