2 compositions notes & practice v2.docx

2 compositions notes & practice v2.docx - Algebra 2...

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Algebra 2 Name: Another Operation with Functions: Composition Date: Pd: A composition of functions is just a different way of combining functions. Previously we’ve substituted specific values into functions and evaluated the result. In compositions we substitute an entire function into another function and simplify the result. Notation: f ( g ( x ) ) or ( f g )( x ) both mean to substitute the entire g -function into the f -function in place of every x . Example Given f ( x

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