Let . Logarithms won't help much because of the term which wouldn't help much.

IMO the best way to go about it is to find the points of intersection with the axes and any asymptotes after distributing the 3 and then draw a curve similar to

Spoiler:

You can then transform the graph left by 1 unit.

Note how the graph below is similar to which is shown in green

edit: on the graphs I have restricted the domain to as that is what your question states

edit 2: I'm a fool, I misunderstood what you meant by the -x (I think)