Answer:
[tex]f^{-1}(x)=\dfrac{x-3}{2}[/tex]
Step-by-step explanation:
To find the inverse function, solve for y:
x = f(y)
x = 2y +3
x -3 = 2y
(x -3)/2 = y
The inverse function is ...
[tex]\boxed{f^{-1}(x)=\dfrac{x-3}{2}}[/tex]