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How do you find g[f(x)] if $g(x) = x^2$ and $f(x) = x + 3$ ?

1 Answer

Dec 10, 2015

$(g@f)(x)=g[f(x)]=(x+3)^2$

Explanation:

By definition, $(g@f)(x)=g[f(x)]$

$=g(x+3)$

$=(x+3)^2$

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