if f(x)=x-3, which of the following is the inverse f(x)?

Answer:
f^-1 (x) = x+3
Step-by-step explanation:
To find the inverse, interchange x and y and solve for y
y = x-3
Exchange x and y
x = y-3
Solve for y
Add 3 to each side
x+3 = y-3+3
x+3 =y
The inverse
f^-1 (x) = x+3