I 65.000 Suppose that the demand function for a product is given by mm = p and that the price p is a function of time given by p =1'.4t+ 9. where t is in days. a) Find the demand as a function of time t. b) Find the rate of change ofthe quantity demanded when t= 100 days. _.__*E__+ a) D(t) = D (Simplify your answer.) b) What is the approximate rate of change of the quantity demanded when t= 100 days? un' s D day' (Simplify your answer. Round to three decimal places as needed.)