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G(n)= -2n-4f(n)= 2n+1find (g-f) (2)
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G(n)= -2n-4f(n)= 2n+1find (g-f) (2)

User Kostis
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g(n)=-2n-4
g(2)=-2*2-4\Rightarrow g(2)=-8
f(n)=2n+1
f(2)=5

Now


(g-f)(2)=g(2)-f(2)=-8-5\Rightarrow(g-f)(2)=-13

User Gabriel Walt
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