Question 443193
(gof)(x) =  g(f(x))

Take what is in f(x) and put it in where you see x in g(x).

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g(f(x)) = -2(-3x+2) + 9
g(f(x)) = 6x -4 + 9
g(f(x)) = 6x +5 = (gof)(x)

{{{highlight(6x+5)}}}