What is the inverse of the function f(x) = 2x + 1'

Answer:
[tex]\sf A) \ \ h(x) = \dfrac{1}{2} x - \dfrac{1}{2}[/tex]
Explanation:
f(x) = 2x + 1
y = 2x + 1
[ Make x the subject ]
2x + 1 = y
2x = y - 1
x = (y - 1)/2
x = y/2 - 1/2
Inverse function:
h(x) = x/2 - 1/2