kaymariexo
kaymariexo kaymariexo
  • 26-05-2017
  • Mathematics
contestada

f(x) = x - 2 and g(x) xsquared -7x -9 find f(g(-1))

fx x 2 and gx xsquared 7x 9 find fg1 class=

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apologiabiology
apologiabiology apologiabiology
  • 26-05-2017
easiest way is to find g(-1) first then f(that value)

g(-1)=(-1)²-7(-1)-9=1+7-9=-1

so then f(g(-1))=f(-1)
f(-1)=-1-2=-3

2nd option
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