we know that
f(x) = x
g(x)=(1/5)*x--------g(x)=(1/5)*f(x)
that means
a point (x,y) in f(x) ----------------->becomes a point (x,y/5) in g(x)
therefore
the answer is
The graph of g is one-fifth as steep as the graph of f.
using a graph tool
see the attached figure
