Given $f(x) = -6x + 7$ , $g(x) = 3x + 2$ how do you find (gof)(x)?

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Answer 1 · 2018-04-30T11:07:30

$(g@f)(x)=23-18x$

$"to find "(g@f)(x)" substitute "f(x)" into "g(x)$

$=g(f(x))$

$=g(color(red)(-6x+7))$

$=3(color(red)(-6x+7))+2$

$=-18x+21+2=23-18x$

Given f(x) = -6x + 7f(x) = -6x + 7, g(x) = 3x + 2g(x) = 3x + 2 how do you find (gof)(x)?