AP Precalculus Flashcards: Logarithmic Functions

Study Logarithmic 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

Simplify logb(1)\text{log}_b(1).

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ANSWER
  1. Any base raised to the power 0 equals 1.

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AP Precalculus: Exponential and Logarithmic Functions

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What this deck covers

This deck focuses on Logarithmic 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 20Practice questions for this set
A drug dose decays as D(t)=60(0.85)tD(t)=60(0.85)^t mg. For safety, require D(t)20D(t)\le 20 mg; solve the inequality for tt using logarithms.​
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