Answered

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

Sagot :

[tex]g(n)=-2n-4[/tex][tex]g(2)=-2\times2-4\Rightarrow g(2)=-8[/tex][tex]f(n)=2n+1[/tex][tex]f(2)=5[/tex]

Now

[tex](g-f)(2)=g(2)-f(2)=-8-5\Rightarrow(g-f)(2)=-13[/tex]

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