Question 350965
First, let's compute g(7). To do that, plug x=7 into {{{g(x)=x-3}}} to get



{{{g(7)=7-3=4}}}



So {{{g(7)=4}}}



Now plug g(7) into f(x) to get {{{f(g(7))=f(4)=4^2+4=16+4=20}}}



So {{{f(g(7))=20}}}



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