Need help with a math problem. View screenshot below for the question.

The price, p, in dollars, for an item depends on the quantity sold, (1, and is given by the demand function: _ = 4945 D01) p (q+3)2. What is the average rate of change of this function between the quantities q = 20 and q = 40? (Please read that twice to make sure you use the correct approach) To ensure your answer is scored/ graded correctly, round any values of price (12) that you get to the nearest penny, and use those rounded values in your computations. Answer: The price per item, 1) , of the item is changing, on average, by :] 4 Select an answer (Round to 2 decimal places for the numerical answer.) dollars dollars per item, per item er your numerical value in the box and choose the most apppriate items per dollar, per item from the drop down list. If your result is negative, don't forget to include items > Next