Practice Exercise Express the following problems into function. Write your answer on the space provided. 1. A person is earning ?409.00 per day to do a certain job. Express the total salary 5 as a function of the number n of days that the person works. 2. Patrick rides through a jeepney which charges '1' 9.00 for the first 3 kilometers and additional P050 for each additional kilometer. Express thejeepney fare {F} as function of the number of kilometers {d} that Patrick pays for the ride. 3. A tricycle ride costs int] for the first 4 kilometers, and each additional kilometer adds rsoo to the fare. Use a piecewise function to represent the tricycle fare in terms of the distance d in kilometers. 4. A parking fee at SM City San Pablo costs f35 for the rst two hours and an extra for each hour of extension. if you park for more than twelve hours, you instead pay a flat rate of Pl. Represent your parking fee using the function pft} where t is the number of hours you parked in the mall