Answer:
B. f^-1(x) = x+3
Step-by-step explanation:
Given the function f(x) = x-3, to get its inverse, the following steps mist be followed.
First we will make y = f(x)
y = x-3
Then we will make x the subject of the formula to have:
y+3 = x-3+3
y+3 = x
x = y+3
Finally, we will replace back y with x to have:
y = x + 3
f^-1(x) = x+3
This gives the inverse of the function.