Q. 353.7( 3 Votes )

If f : R R is defined by f(x) = 3x + 2, find f(f (x)).

Answer :

Given:-


(i)f : R R


F(f(x))=f(3x+2)


F(f(x))=3(3x+2)+2


F(f(x))=9x+8


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