AP Precalculus Flashcards: Composition Of Functions

Study Composition Of Functions in AP Precalculus with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Find $(g \bigcirc f)(x)$ if $f(x) = x + 2$ and $g(x) = 3x$ .

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ANSWER

$(g \bigcirc f)(x) = 3(x + 2)$ . Apply $g$ to $f(x) = x + 2$ : $3(x + 2)$ .

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All flashcards

36 cards

What this deck covers

This deck focuses on Composition Of Functions, giving you a quick way to review the definitions, rules, and examples that matter most for AP Precalculus.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 12Practice questions for this set

A sound sensor models intensity by

g(x)=10^x

and converts to decibels with

f(I)=10\log_{10}(I)

. Based on the scenario, what is

f(g(3))

Choose an answer

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