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 k kilograms of flour is given by the

function n(k) = 10 + 3k.

the income, i, in dollars, that moses makes from baking x loaves of bread is given by i(x) = 6x.

find an explicit expression that models moses's income for the day if he receives k kilograms of flour.