Answer
graphs:
.
Work Step by Step
Build a table with some x values, calculate $\log_{2}$x for each
Plot these points and join with a smooth line.
We have a graph for f(x)
$g(x)=\log_{2}(x-1)=f(x-1)$
so the graph of g is obtained from the graph of f by
shifting it right by 1 unit.