Question 876605
Same as any other graph.
Pick {{{x}}}, generate {{{y}}}, plot (x,y) pairs.
{{{x=-3}}},{{{y=3^3+2=29}}}
{{{x=-2}}},{{{y=3^2+2=11}}}
{{{x=-1}}},{{{y=3^1+2=5}}}
{{{x=0}}},{{{y=1+2=3}}}
{{{x=1}}},{{{y=(1/3)+2=7/3}}}
{{{x=2}}},{{{y=(1/9)+2=19/9}}}
{{{x=3}}},{{{y=(1/27)+2=55/27}}}
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{{{drawing(300,300,-5,5,-5,30,grid(1),
circle(-3,29,0.2),
circle(-2,11,0.2),
circle(-1,5,0.2),
circle(0,3,0.2),
circle(1,7/3,0.2),
circle(2,19/9,0.2),
circle(3,55/27,0.2),
graph(300,300,-5,5,-5,30,(1/3)^x+2))}}}