Me4yCarlove Me4yCarlove

21-07-2016
Mathematics

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f(x) = x − 2 and g(x) = x2 − 7x − 9. find f(g(−1)).

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dalendrk dalendrk

25-07-2016

[tex]f(x)=x-2;\ g(x)=x^2-7x-9\\\\g(-1)=(-1)^2-7\cdot(-1)-9=1+7-9=8-9=-1\\\\f(g(-1))=f(-1)=-1-2=-3[/tex]

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