♾️ap calculus ab/bc review

First Derivative

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The first derivative represents the rate at which a function is changing at any given point. It measures the slope of the tangent line to the graph of a function at that point.

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