Unit 8.1 Exponential Functions: https://youtu.be/fZSwSVA-ezo
Unit 8.2 Exponential Growth: https://youtu.be/Rh1m6PGOot4
Unit 8.3 Exponential Decay: https://www.youtube.com/watch?v=tlMmBIjLxgY
Unit 8.4 Geometric Sequences: https://youtu.be/iHBhU3mSwQ8