Think back to the scenario described at the beginning of this activity. Suppose you own a business and over time have determined functions that describe certain relationships. The function U(x)= 1/8x relates the number of labor hours, x , to the number of units produced in a week. The function R(y)= 1275y relates the number of units produced, y, to weekly revenue. Part A Write a function that relates weekly labor hours to weekly revenue.