Answer
$f(-3) -1$
$f(0) =-1$
$f(2) =3$
and the graph is in the picture.
Work Step by Step
if $x\leq1$ then $f(x)=-1$
if $x\gt1$ then $f(x)=7-2x$
So
$-3\leq 1$ so $f(-3) -1$
$0 \leq 1$ so $f(0) =-1$
$2 \gt 1$ so $f(2) = 7-4=3$
and the graph is in the picture.