Respuesta :

sqdancefan

9514 1404 393

Answer:

  -14

Step-by-step explanation:

  [tex](f\circ g)(x)=f(g(x))=f(x+8)=-8(x+8)-6\\\\(f\circ g)(x)=-8x-70\\\\(f\circ g)(-7)=-8(-7)-70=\boxed{-14}[/tex]