For the tangent lines, just get a strait edge like a ruler and draw short line at each of the points. Finding f' means estimating the slopes of the lines you made.

The lines you make will have slopes that are about 1 at x=-2, 1/3 at x=-1, -1/2 at x=0, -1 at x=1, and -1 again at x=2.

Dec 8th, 2014

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.