SOLUTION: give the expression of its inverse f(x)= 2ln(x)+1

Algebra ->  Functions -> SOLUTION: give the expression of its inverse f(x)= 2ln(x)+1      Log On


   

Question 378069: give the expression of its inverse
f(x)= 2ln(x)+1
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
y = 2lnx + 1,
Interchange the places of x and y:
x = 2lny + 1;
x - 1 = 2lny,
(x - 1)/2 = lny;
e%5E%28%28x-1%29%2F2%29+=+y. This is the inverse function.