Question

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

h(x) =1/2 x – 1/2
h(x) =1/2 x + 1/2
h(x) = 1/2 x – 2
h(x) = 1/2 x + 2

Answer 1

$y=2x+1\\ 2x=y-1\\ x=\dfrac{1}{2}y-\dfrac{1}{2}\\ f^{-1}(x)=\dfrac{1}{2}x-\dfrac{1}{2}$

Answer 2

it is f of x =1/2-1/2