Find f(g(x)) f(x)=3x-6 , g(x)=(x+3)/6

Math
,
Set up the composite result function.
Evaluate by substituting in the value of into .
Cancel the common factor of .
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Factor out of .
Cancel the common factor.
Rewrite the expression.
To write as a fraction with a common denominator, multiply by .
Simplify terms.
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Combine and .
Combine the numerators over the common denominator.
Simplify the numerator.
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Multiply by .
Subtract from .
Find f(g(x)) f(x)=3x-6 , g(x)=(x+3)/6

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