Answer
See image:
Work Step by Step
Start with the graph of $ f_{1}(x)=2^{x}\quad$(black dashed, similar to figure 21)
... the curve passes through $(-1,0.5),(0,1),(1,2)$,
the left side nearing the x-axis.
Then, shift it up by one unit, obtaining the graph of
$ f(x)=f_{1}(x)+1=2^{x}+1\quad$ (blue, solid).
The curve passes through $(-1,1.5),(0,2),(1,3)$,
the left side nearing the line $y=1$
Join the points with a smooth curve.
Graph the line $y=1$ (dashed).