Consider the function f(x) = (1/4)[ (x-1)^2 + 7]
The largest domain containing the value x = 3 is x >= 1
Therefore, let a be a real number not in the domain. Find f^-1 ( f(a) )
i.e. find the inverse function of f(a) where a < 1
Ok so i tried to solve this, and got the result: a-2
However...