Moses has a bakery, and he is expecting a new shipment of flour today. The number of loaves, N, that Moses will bake today given that he receives kkk kilograms of flour is given by the function N(k)=10+3kN(k)=10+3kN, left parenthesis, k, right parenthesis, equals, 10, plus, 3, k. The income, III, in dollars, that Moses makes from baking xxx loaves of bread is given by I(x)=6xI(x)=6xI, left parenthesis, x, right parenthesis, equals, 6, x. Find an explicit expression that models Moses's income for the day if he receives k kilograms of flour.