Taking Derivatives in DERIVE

We did not have time in class today to go over this. You can use DERIVE to take derivatives (or in other words to "differentiate" functions). In a problem, if the problem explicitly says to use "derivative feature of a graphing utility" then you should use DERIVE in your answer. Otherwise, you should show your work. Writing an answer from DERIVE will not qualify for any credits in the latter case. Having said that, it is up to you to use DERIVE to check your work for your own good. 

Here are the steps for taking derivatives in DERIVE:
 

1. Author the function: Example  f(x):=(x^2-3x)/(xsinx). Hit enter. The expression should be highlighted on the algebra window.

2. Click on the Calculus Tab at the top. Choose  Differentiate. Set the variable (x in our example) and the order.  If you want to find the first derivative put 1 for order, for second derivative 2, third derivative 3, and so on.  Hit simplify!

Note: You can also use DERIVE to take limits. At the Calculus Tab there is also a choice of Limit.