Answer:
To determine f(x-1), we need to substitute x-1 for x in the expression for f(x).
f(x-1) = sqrt((x-1)-3) + 3
Simplifying the expression inside the square root
(x-1)-3 = x-4
So,
f(x-1) = sqrt(x-4) + 3
Therefore, f(x-1) is equal to the square root of x-4 plus 3.