AP Precalculus

Unit 2: Exponential and Logarithmic Functions

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AP Precalculus

Unit 2: Exponential and Logarithmic Functions

27–40% of exam score

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A timed sectional mock on this unit

Arithmetic and geometric sequences, exponential and logarithmic functions, their inverses, properties of logarithms and semi-log plots.

Key formula

\log_b a = \frac{\ln a}{\ln b}, \qquad b^{\log_b x} = x

What this unit covers

Arithmetic and geometric sequences
Exponential models
Logarithms and their properties
Exponential and logarithmic equations

Other units in AP Precalculus

Unit 1: Polynomial and Rational Functions
Unit 3: Trigonometric and Polar Functions
Unit 4: Functions Involving Parameters, Vectors, and Matrices