TO solve this problem first we have to evaluate f(-1)
[tex]\begin{gathered} f(-1)=-1^2+7(-1)+3 \\ f(-1)=1-7+3 \\ f(-1)=-3 \end{gathered}[/tex]No we evaluete g(-3) so
[tex]\begin{gathered} g(-3)=-4(-3)+12 \\ g(-3)=12+12 \\ g(-3)=24 \end{gathered}[/tex]