College Algebra / Unit 8 Alg 412 short lesson, about 20 seconds
Growth and Decay
Captions available
The idea
An exponential function grows when its base exceeds 1 and decays when the base sits between 0 and 1.
In practice
2ˣ climbs 1, 2, 4; (1/2)ˣ fades 1, 0.5, 0.25 — the same machine, run toward opposite fates by the base.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
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