Answer:
[tex]A. f^{-1} (x) = x+3[/tex]
Step-by-step explanation:
To find the inverse of a function, we will swap the roles of
x and y, and then solve for y.
[tex]f(x) = x-3[/tex]
Swap x and y:
[tex]x = y - 3[/tex]
Solve for y:
[tex]y=x+3[/tex]
So, the inverse is [tex]f^{-1} (x) = x+3[/tex].
