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  4. If f: R arrow R , f(x) = 3x - 2 then (fof)(x) + 2 =

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Q. If $f : R \rightarrow R , f(x) = 3x - 2 $ then $(fof)(x) + 2 = $

Relations and Functions - Part 2

Solution:

$(fof)(x)+2=f(f(x))+2 =3(3x-2) -2+2=3f(x)$