SOLUTION: Find the inverse function of f(x)=-x^2+8x-14 and x ≤4. Find the domain of this inverse function.

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Question 1199941: Find the inverse function of f(x)=-x^2+8x-14 and x ≤4. Find the domain of this inverse function.
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Switch to x,y description.

Now to find the inverse, interchange x and y and solve for y.
This new y is the inverse of the original function.


Complete the square,




The zero is the first term on the right hand side to make the plus/minus sign work correctly,

Since the term under the radical must be non-negative,


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