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22-06-2016
Mathematics

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Let f(x)=x-2 and g(x)=x2-7x-9. Find f(g(-1))

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22-06-2016

First insert -1 as x in the g(x) equation

-2+7+9=14
g(x)=14
f(x)=-1-2
f(g(-1))=-3

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