Question

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

Answer 1

Answer:

The first option ,f^-1(x)=1/2*x-1/2

Step-by-step explanation:

f(x)=2x+1

y=2x+1

Interchanging the places of x and y, we get,

x=2y+1

(x-1)/2=y

f^-1(x)=(x-1)/2

f^-1(x)=1/2*x-1/2

The first option.