Answer:
The inverse of this function is f(x)-1 = x - 3
Step-by-step explanation:
In order to find an inverse, we switch the values of f(x) and x. Then we solve for the new f(x). This will be the inverse function.
f(x) = x + 3
x = f(x) + 3
x - 3 = f(x)
f(x) = x - 3