Math for Business

Question

Suppose an object moves along the y axis so that its location is y=f(x)=x^2+x at time x (y is meters, x is in seconds).

Find:

A) The average velocity (the average rate of change of y with respect to x) for x changing from -2 to 2.

 

 B) the instantaneous velocity at x=-2 seconds (find f'(x) and then evaluate when x=1)

Answer 1

Lechmere Corporation buys word processors from a wholesaler.  The word processors have a $425 list price with a 40% trade discount.  What is the trade discount amount?  What is the net price of the word processor?  Freight charges are  FOB destination.