Question 355208
{{{f(x)=(1/2)x}}}
{{{g(x)=(1/3)x}}}
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{{{f(g)=(1/2)g}}}
{{{f(g)=(1/2)(1/3)x}}}
{{{highlight(f(g)=(1/6)x)}}}
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Since it isn't one of the choices, f(x) and g(x) must not be as I listed them 
please use parentheses to differentiate numerator and denominator in your functions.