Answer
See below.
Work Step by Step
a) $f(g(1))=f(0)=5$
b) $f(g(2))=f(-3)=11$
c) $g(f(2))=g(1)=0$
d) $g(f(3))=g(-1)=0$
e)$g(g(1))=g(0)=1$
f) $f(f(3))=f(-1)=7$
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