Object: Learn how to use the slope of the secant line to approximate the slope of the secant line
                     (a) The slope of the secant line through (a,f(a)) and (a+h,f(a+h)) is  (f(a+h)-f(a))/h
                      (a) The slope of the secant line converges to the slope of the secant line if h goes to 0.

Step 1: Open the maplet
                   tutorial-1B
                  


Step 2: Click "new function", You will see a formula of a function,
            

             Now you have to evaluate
             (1) f(a)
             (2) f(a+h)  (Be careful  ah^2+bh+c should be type as a*h^2+b*h+c.)
             (3) (f(a+h)-f(a))/h
             (4) Simplify  (f(a+h)-f(a))/h
             (5)  Take h to 0 in previous expression

                  If your answer are all green then show it to your TA.

                  If your answer are red somewhere then talk to your neighbor or ask TA for help.