--- loncom/homework/templates/SimpleFormula.problem 2007/01/23 21:16:50 1.6 +++ loncom/homework/templates/SimpleFormula.problem 2009/07/06 17:12:47 1.7 @@ -1,19 +1,19 @@ - + - + What is the derivative of $formula with respect to x? - + - - - - + + + + -