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7.8 Exponential Models with Differential Equations

AP Calculus AB

Exponential Models

The exponential growth/decay DE

Derivation by separation of variables

Growth vs decay

Doubling time

Half-life

Finding $k$ from data

Example 1 — Population growth

Example 2 — Radioactive decay

Example 3 — Continuously compounded interest

Newton's Law of Cooling

Summary of exponential models

AP exam tips

Vocabulary