Answer :

apologiabiology
(f o g)(-5)=f(g(-5))

first find g(-5) to make it easier

g(-5)=
-4(-5)+3=
20+3=
23

f(g(-5))=f(23)
f(23)=
-2(23)-7=
-46-7=
-53

(f o g)(-5)=-53

C is answer

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