Unit 2 Day 1 Relations: https://youtu.be/nh0_7Sqp_SM
Unit 2 Day 2 Functions: https://youtu.be/UyngsCRNZTw
Unit 2 Day 3 Function Notation: https://www.youtube.com/watch?v=JKECytuc6HQ&feature=youtu.be
Unit 2 Day 4 Graphing Linear Functions: https://youtu.be/bvfxAKAeyGE
