SOLUTION: find the inverse of the function f(x)=-x^2-8, x<=0

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Question 1081506: find the inverse of the function f(x)=-x^2-8, x<=0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=-x%5E2-8
Interchange x and y and solve for y.
The new y is the inverse.
x=-y%5E2-8
-y%5E2=x%2B8
y%5E2=-%28x%2B8%29
y=0+%2B-+sqrt%28-%28x%2B8%29%29
f%5E%28-1%29%28x%29=0+%2B-+sqrt%28-%28x%2B8%29%29
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