## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 1 - Section 1.7 - Combinations of Functions; Composite Functions - Concept and Vocabulary Check: 13

#### Answer

$g; \text{ }f(x)$

#### Work Step by Step

RECALL: The composition function $g \circ f$ is defined as: $(g \circ f)(x) = g(f(x))$ This means that all the $x's$ in $g$ have to be replaced with $f(x)$. Thus, the missing expressions in the given statement are: $g; \text{ }f(x)$

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