Consider function to be g(x);

http://img124.imageshack.us/img124/8682/chart5pi4.jpg

a) Find the values by observing the slope of tangent line to curve graphically:

a) g ' (-1) b) g ' (0) c) g ' (0.5) d) g ' (1)

b) use the four points found in a to sketch graph of g ' (x)

Any nudge in the right direction would be greatly appreciated!