Question

PLEASE. I REALLY NEED HELP. A function f is defined by f: x=e^x-1, where x>0 (1) State the range of f. (2) Find an expression for f^-1 (3) State the domain of f^-1

Answer 1

(1) all the real numbers)
(2) f(x)=ln (x+1)
(3) x> -1

Answer 2

(1) should be y>1, not all real numbers. I replied to your earlier post that should explain

Answer 3

I checked the marking scheme and it says the anser is > e–1 or > 0.37