Respuesta :

gmany
[tex]\boxed{y=2^x-1}[/tex]

[tex]for\ x=0\to y=2^0-1=1-1=0\to(0;\ 0)[/tex]
other
It's the graph of the function [tex]y=2^x[/tex] shifted 1 unit down [tex]y=2^x-1[/tex]
Look at the picture.

Ver imagen gmany