Elitedog181 Elitedog181
  • 23-09-2016
  • Mathematics
contestada

Let f(X) = X + 8 and g(X) = x^2 - 6x - 7 find f(g(2)).

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apologiabiology
apologiabiology apologiabiology
  • 23-09-2016
so what you do is evaluate g(2) then plug that value in for x in f(x)

g(2)=2^2-6(2)-7
g(2)=4-12-7
g(2)=-15

now
f(-15)=-15+8
f(-15)=-7

f(g(2)=-7
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