Answer Happy

This que Suppose that the total profit in hundreds of dollars from seling x items is given by Px)=22 - 4x + 7. Complete parts a through d below. a. Find the average rate of change of profit as x changes from 3 to 5 per item b. Find the average rate of change of profit as x changes from 3 to 4. per item c. Find and interpret the instantaneous rate of change of profit with respect to the number of items produced when x 3. (This number is called the marginal profit at x 3) per item What does this result mean? Choose the correct answer below. O A. When 3 items are sold, the profit is increasing at the rate of per tom OB. When 3 items are sold, the profit is decreasing at the rate of perem OC. When items are sold for S the profit is decreasing at the rate of 53 per item OD. When items are sold for $ the profit is increasing at the rate of $3 per item d. Find the marginal profitat x = 5. per item