Find f(g(x)) f(x)=7x-4 , g(x)=(x+4)/7

Math
,
Set up the composite result function.
Evaluate by substituting in the value of into .
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Combine the opposite terms in .
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Subtract from .
Add and .
Find f(g(x)) f(x)=7x-4 , g(x)=(x+4)/7

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