1.0 link Rainbow Dash Network http://rainbowdash.net/ Puzzlemint (puzzlemint) http://rainbowdash.net/puzzlemint http://rainbowdash.net/notice/513759 How do I calculate a derivative using Δy/Δx? Like, what are the individual steps involved in calculating the derivative of y=3x^2-2x using Δy/Δx? || 'cause I know right off the top of my head that dy/dx=6x-2, but I don't know how to actually calculate it.