16JC1T: Applications of differentiation-Derivative graphs by Gary Ang | Jun 15, 2016 | 16JC1T, Board-casts | 0 comments [vimeography id="560"] In this lesson, we discussed the derivative graphs. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ