This derivative represent the SLOPE of any tangent line on the curve at any point on the curve.
Once you determine which point you want to use you then just plug in the x coordinate into the derivative to get a numerical value for the slope. Then you use the formula y = mx + b to determine the equation of the tangent line at that point.
Oct 23rd, 2014
Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.