Find f(g(x)) f(x)=7/(1-3x) , g(x)=1/x

Math
,
Set up the composite result function.
Evaluate by substituting in the value of into .
Simplify the denominator.
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Combine and .
Move the negative in front of the fraction.
Write as a fraction with a common denominator.
Combine the numerators over the common denominator.
Multiply the numerator by the reciprocal of the denominator.
Combine and .
Find f(g(x)) f(x)=7/(1-3x) , g(x)=1/x

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