SOLUTION: Find the inverse function of f. f(x)=square root of (12-x)

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Question 374969: Find the inverse function of f.
f(x)=square root of (12-x)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use x-y format.
y=sqrt%2812-x%29
Interchange the positions of x and y and solve for the new y.
That new y is the inverse function.
highlight%28x%29=sqrt%2812-highlight%28y%29%29
x%5E2=12-y
y=12-x%5E2
highlight%28f%5E%28-1%29%28x%29=12-x%5E2%29